Читать онлайн книгу "Python для начинающих"
Python ??? ??????????
???? ????????????? ????????
Python ??? ?????????????????????????? ?? ????? ????? ? ?????????? ??? ????????? ????, ??????? ?????? ???????????? ??? ??????? ????? ?????????? ??????? ??????. ????, ????????? ?? ?????? ??????? ?????, ??????????? ?????????? ? ???????? ??????.?????? ? ????????. ?? ????????? ? ??????? ???????, ????? ?????????? ?????? ? ????????.????? ???????? ????? ?? ????????.????? ???????????? ????? ?????????????? ????, ??????? ?????????? ??????? ????????, ????? ??? Google ? Pixar.
Python ??? ??????????
???? ????????????? ????????
?????? ????????????? ????????,?2020
ISBN?978-5-0051-4576-5
??????? ? ???????????????? ???????????? ??????? Ridero
?c?o???? o?epa?op
A??o?a???
Bo???opo? ypo?e ?????ep??e ?o??a?o???c? c?o??o? ???y??a?e??a???o ?a???x ?e? ??po?pa???po?a??蠖 yc?o???? o?epa?opo?. O???o??o??e? op?a???o?a?? ?e???e??e ??a?e? ?po?pa??e (???o??e??e o??o? ?e??? ?o?a ??a??c??oc?? o?yc?o???).
1.??o??ope??e
?a??po??o? ypo?e ????o??a?o????c? c??epe?e?????. ?epe?e??a? ??ee? ??? ???a?e??e. ??? ?epe?e??o? ?o?e? ?a???a??c? ?o???o c??y??? ??o?e? ?????a?? ?ce?? ?y???, ???p? ?c???o? ?o??ep???a???. ??? ?epe?e??o? ?o???o o?pa?a?? ee??a??a?e??e.
??o?? ?a?a?? ?epe?e??o? ??a?e??e, ?eo?xo???o ?oc?e ??a?a pa??o (o?epa?opa ?p?c?a??a???) y?a?a?? ??a?e??e ?epe?e??o?.
E?e ??a?e??e ?epe?e??o? ?o??o ?o?y???? ????o?a. ??? ??o?o ?c?o???ye? ?o?a??y input (). B???o? c?y?ae ??a?e??e ?epe?e??o? ?a?ae? ?o???o?a?e??.
2.??c?o???? o?epa?op
?c?o???? o?epa?op ?c?o???ye?c?, ?o??a ?e?a? ?ac?? ?po?pa??? ?o???a ???? ???o??e?a, ?o???o ec?? ?ep?o ?a?oe-???o yc?o??e. ??? ?a??c? yc?o??o?o o?epa?opa ?c?o???y??c? ????e??e c?o?a if??else (?ec??, ???a?e?), ??oe?o??e, a??a??e o?c?y? ??e??pe ?po?e?a.
if yc?o??e:
?e?c????, ec?? yc?o??e ?ep?o
else:
?e?c????, ec?? yc?o??e ?e?ep?o
????PEP?8
O?c?y? ?4??po?e?a ?p???? ?coo??ec??e Python (PEP 8). ?p? ??o? ?po?pa??a ?o?e? pa?o?a?? ??p? ?py??x ?ap?a??ax, ?o????a?? e???y?e? ?ey?o??o. ?po?e???? ca??? ?pe??o????e????? ?e?o? o?c?y?o?. Ta?y????? ?o???a ?c?o???o?a??c? ?o???o ??? ?o??ep??? ?o?a, ?a??ca??o?o c?o?c?y?a?? c??o?o??? ?a?y?????. Python 3??a?pe?ae? c?e???a??e ?a?y????? ??po?e?o? ?o?c?y?ax.
Pacc?o?p?? ?p??ep:
print (?B?e???e ?apo??:?)
password = input?()
if password == ?qwerty?:
print (??oc?y? o??p??.?)
else:
print (?O????a, ?oc?y? ?a?p??!?)
O?pa???e ????a??e: ??a?a?e yc?o??o?o o?epa?opa if????o???e?c? cpa??e??e, a??e??p?c?a??a??e. Pa????a ?o? ????:
O?pe?e?e??e
Cpa??e??e?? ??o ?po?ep?a, ?o?opa? ?e??e??e? ??a?e??e ?epe?e??o? (?cpa??e??? ?o?e? ?oo??e ?e????? ?epe?e???x), a??p?c?a??a??e?? ?o?a??a, ?o?opa? ?e??e? ??a?e??e ?epe?e??o?. ??? cpa??e??? ?y??o ?c?o???o?a?? ??o??o? ??a? pa?e?c??a:?==.
Ta??e ?a?e???e, ??o ?oc?e else ???o??a ?e????e?c? ???a?o?o yc?o???.
?py?o? ?p??ep:
print (??pe?c?a??c?, o??e??a?o?e?!?)
name = input?()
if name == ??e?ap??:
print (?A?e, ?e?ap?!?)
else:
print (??p??e???.?)
B??a?ec??e yc?o??? ?o??o ?c?o???o?a?? ??py??e o?epa??? o??o?e???:
> ?o???e
<= ?e???e ??? pa??o
> =??o???e ??? pa??o
== pa??o
!= ?e?pa??o
????PEP?8
Bce o?epa??? o??o?e??? o?py?a??c? ?po?e?a?? c???yx c?opo?.
?pa?????o: if?bird == ?Ty?-?y?:
: if?bird==?Ty?-?y?:
O??e??? ???o? o??opo??o? ?py??? ?o??o cpa????a?? ?e??y co?o?. ?o?y?a??e ?a? ?e?, ?a? ?o??o cpa????a??, ?a?p??ep, c?po??.
3.?C?o??oe yc?o??e. ?o???ec??e o?epa???
??o??a ?yc?o??o? o?epa?ope ?y??o ?a?a?? c?o??oe yc?o??e. ??? ??o?o ?o??o ?c?o???o?a?? ?o???ec??e o?epa??? and (??), or?(????) ?not (??e?).
Ba??o
??o?? ?a?a??, ??o ??a yc?o??? ?o???? ???o?????c? o??o?pe?e??o?? ?c?o???ye? and (??), ec?? ?oc?a?o??o ???o??e??? o??o?o ????yx ?ap?a??o? (??? o?a cpa?y), ?o??c?o???ye?or (????), a?ec?? ?y??o y?pa?? ?a?o?-?o ?ap?a??, ?o??c?o???ye? not (??e?).
?p?op??e? ???o??e??? o?epa???:
1.?not
2.?and
3.?or
Ec?? ?y??o ???e???? ?p?op??e? o?epa??? ??? ????a???? ?pa???a?? ?c?o???y??e c?o???.
?a?p??ep, ?o? ?a? ?o??o ?po?ep???, ??o o?a yc?o??? ???o??e??:
print (?Ka? ?a???a??c? ?ep?a? ??oc?e???? ?y??? ?pe?ec?o?o a??a???a??)
greek_letter_1?= input?()
greek_letter_2?= input?()
if greek_letter_1?== ?a???a? and greek_letter_2?== ?o?e?a?:
print (?Bep?o.?)
else:
print (??e?ep?o.?)
???e e?e ?ec?o???o ?p??epo?.
print (?Ka? ?pe?? ??? p?????e ?a???a?? ??a?y c?oe?o ?a??eo?a?? ?o?a ?po?a??)
ancient_god = input?()
if ancient_god == ??e?c? or ancient_god == ?????ep?:
print (?Bep?o.?)
else:
print (??e?ep?o.?)
print (?B?e???e ??e?a ??yx ?pa??e? ??a??????x ???o? ??e?e??.?)
brother1 = input?()
brother2 = input?()
if brother1 == ?Po?y? and brother2 == ?Pe? or brother1 == ?Kac?op? and (brother2 == ??o??y?c? or brother2 == ??o???e??):
print (?Bep?o.?)
else:
print (??e?ep?o.?)
O?pa???e ????a??e, ??o ec?? ?po?pa??y ???pe???y?e?o ?p??epa ?c?a???? ?WindIDE, ?o??ac?? ?o?a yc?o??o?o o?epa?opa ?y?e? ??xo???? ?a?o?pa?????e???y? ?pac?y? ?ep?y cpe??.
PEP?8
?o?c?a??ap?y PEP 8?????a c?po?? ?o???a ???? o?pa???e?a ?a?c??y? 79?c???o?a??.
?pe??o????e????? c?oco?o? ?epe?oca???????x c?po? ????e?c? ?c?o???o?a??e ?o?pa?y?e?ae??x ?po?o??e??? c?po? Python???y?p? ?py???x, ??a?pa???x ????yp??x c?o?o?. ??????e c?po?? ?o?y? ???? pa????? ?a??ec?o???o c?po?, o?p?y??x ?c?o???.
C?e?a??e ?pa??????e o?c?y?? ??? ?epe?ec???o? c?po??. ?pe??o????e???ee ?c?a???? ?epe?oc c?po?? ?oc?e ?o???ec?o?o o?epa?opa, ?o??e??epe????.
To??a ?pe?c?a??e???? ???e ?po?pa????? ?o? ?o?e? ???? ?a??ca???a?:
print (?B?e???e ??e?a ??yx ?pa??e? ??a??????x ???o? ??e?e??.?)
brother1 = input?()
brother2 = input?()
if (brother1 == ?Po?y? and brother2 == ?Pe? or brother1 == ?Kac?op??and
(brother2 == ??o??y?c? or brother2 == ??o???e??)):
print (?Bep?o.?)
else:
print (??e?ep?o.?)
Pacc?o?p?? e?e ?ec?o???o ?p??epo?.
print (?B?e???e ????e ??a c?o?a, ?o ??o ?e ?o???? ???? ??e??? 蠄?e??e??? pa?o?.?)
word1 = input?()
word2 = input?()
ifnot (word1 == ??e??? and word2 == ??e??e???):
print (?Bep?o.?)
else:
print (??e?ep?o.?)
4.?B?o?e???e yc?o???
Ba??o
B??o?a??e if??p? ???o??e??? yc?o??? ?o??o ???o????? ?o?ee o??o? ?o?a???. ??? ??o?o ?ce ?x??eo?xo???o ???e???? o?c?y?o?. Ta?a? ?a??c? ?a???ae?c????o?o? ?o?a. ?o?o?c?y?a? ???ep?pe?a?op o?pe?e??e?, ?a??e ?o?a??? ?c?o????? ?p? ???o??e??? ?a??x yc?o???. A?a?o????o ?o??o ?e?a?? ???? ?o?a??? else.
print (??pe?c?a??c?, o??e??a?o?e?!?)
name = input?()
if name == ??e?ap?? or name == ?Caesar?:
print (?A?e, ?e?ap?!?)
print (?C?a?a ???epa?opy!?)
else:
print (??p??e???.?)
print (??o?o?a ce?o??? xopo?a?.?)
print (??ac?젖 ?a?a????ae?.?)
?epe? ?oc?e??e? c?po??o? ?e? o?c?y?a?? ??o o??a?ae?, ??o o?a ?y?e? ???o??e?a ??o??e pa?o?? ?po?pa??? ????o? c?y?ae. A??o? ??e ?pe???y??e c?po??? ?y?y? ???o??e??, ?o???o ec?? yc?o??e if?o?a?e?c? ?o????.
??o?? ?o?a ?Python o?e?? ????o yc?poe??: ??y?p? ??x ?o??o ??ca?? ???o? ?py?o? ?o?, ??o? ??c?e?? yc?o???e o?epa?op?. Cpe?? ?o?a??, ?o?op?e ???o?????c?, ec?? yc?o??e if??c????o (???y?p?if?) ??? ?o??o (???y?p? else?), ?o?y? ???? ??py??e yc?o???e o?epa?op?. To??a ?o?a???, ?o?op?e ???o?????c? ??y?p? ??o?o ??y?pe??e?o if???? else, ?a??c??a??c? c??o?o????e????? o?c?y?o?.
??y???e ?p??ep ???e. elif?? ??o ?opo??a? ?a??c? ??? ?else: if?. Ec?? ?e??o???o?a??c? ?opo??o? ?a??c??, ?o?if??p???oc???? ??ca?? ?a?o??e???o? c?po??e ?c?o?c?y?o? (a??c?, ??o ??y?p? ??o?o if?? c??o?o????e????? o?c?y?o?). ??o ?e?o?e?? y?o??o, ?elif ???a???e? o??a?o? ?eo?xo???oc??.
print (??pe?c?a??c?, o??e??a?o?e?!?)
name = input?()
if name == ??e?ap?? or name == ?Caesar?:
print (?A?e, ?e?ap?!?)
print (?B ?ec?? ?a?o?o ?o?a yc?po?? ce?o??? ?pa???ec??o??)
god = input?()
if god == ?????ep?:
print (??pa ?po?o?ep??y!?)
# ec?? o?a?a?oc?, ??o ??? ?o?a ?e ?????ep?, ?o ?po?ep?e?,
# ?e pa??o??? o?o c?po?e ?M??ep?a?
elif god == ?M??ep?a?:
print (??pa ?y?po? ?o??e?????e!?)
# c?e?y??a? c?po?a ?y?e? ???o??e?a,
# ?o???o ec?? ??? ?o?a ?e ?????ep? ??e ?M??ep?a?
else:
print (??o?a ?o ??e??, god, ??? ?e ??ae?, ?o c?o?o ?e?ap??? ?a?o?.?)
# ??a ?o?a??a ?y?e? ???o??e?a ?e?a??c??o o? ?o?o,
# ?a?oe ??? ?o?a ??? ?o???o?a?e??, ec?? ?o???o ???a?a???o o? ?pe?c?a???c? ?e?ape?
print (?C?a?a ???epa?opy!?)
else:
print (??p??e???.?)
print (??o?o?a ce?o??? xopo?a?.?)
print (??ac?젖 ?a?a????ae?.?)
A??o?ee ?poc?o? ?ap?a?? ??o? ?po?pa??? ?e?ep? ?o?po?y??e ?a??ca?? ca?oc?o??e???o.
5. O?epa??? ?a? c?po?a??
Bo??cex ?p??epax, ?o?op?e ???pacc?a?p??a??, ?epe?e???e xpa???? c?po??. M????o????, ???o???? ?xpa???? c?po??. Kpo?e y?e o??ca???x ?e?c???? c?po?? e?? ?o??o c??a???a??.
?a?a??e ?o?po?ye?:
x =??10?
y =??20?
z?= x +?y
print?(z)
????PEP?8
Ƞo???? ?e??o?o pe?o?e??a??? ?o?o?op??e??? (PEP 8)?? c?a???e ?po?e?? ?o?py? ??a?o? o?epa??? (*, +,?? ??.?.)
?pa?????o: z?= x +?y
: z?=?x+y
B??a??o? ?po?pa??e ????a?a?? ?epe?e???? x??y???a?e??e, ?epe?e??o? z??p?c?o??? ??a?e??e pe?y???a?a c?o?e??? x??y.
Pe?y???a?o? ???o??e??? ?po?pa??? ?y?e? c?po?a ?1020?.
Ba??o
O?epa??? c?o?e??? ??? c?po? ???o???e? ?o??a?e?a??? ??yx c?po?, ?o?ec?? c??e??ae? ?x?co?ep???oe ??ec?e.
?a?p??ep:
O?epa??? ??p? + ??e? ?pe?y???a?e ?ac? c?po?y ??p??e?.
O?pa???e ????a??e, ??o ?a??c?: x + y = z??e?o?yc???a. O?epa?op ?p?c?a??a??? o???ae? c?e?a ?epe?e??y?, ?o?opo? ?a?o ?p?c?o??? ??a?e??e, a???pa?o? ?ac?? ?axo???c? ??a?e??e ??? ??pa?e??e, ?o?opoe ?a?o c?a?a?a ????c????, a??a?e? ?p?c?o???.
M???o??? co?pa???? ?a?y ?po?pa??y ??a??ca?? ??a?o? ???e:
x =??10?
y =??20?
print (x +?y)
Pe?y???a? ?y?e? ?a?o??e. ?po?ep??e. O?epa?op print () c?a?a?a ????c??? ??a?e??e ??pa?e??? x + y, a??o?o? ???e? ?a???pa? ?o?y?e??oe ??a?e??e.
A?e?? ?a?o? pe?y???a? ?o??o ?o?y???? ?o? ?a??? o?pa?o?:
print (?10? + ?20?)
Ba??o
??? c?po? ?a??e ?o??o ???o????? y??o?e??e. ???o?a?? ?o??o c?po?y ?a???c?o ??? ??c?o ?a?c?po?y. ??a o?epa??? ?a???ae?c???y???po?a??e?. B?pe?y???a?e ?a?a???a? c?po?a ?y?e? ?o??ope?a ?a?a??oe ?o???ec??o?pa?.
?a?p??ep: 3?* ?20? ?o??e ??o ??20? * 3, ?pe?y???a? ?y?e? ?202020? ???o?, ???py?o? c?y?ae.
?p??ep? ?c?o???o?a???:
x =??10?
y =??20?
print (x * 2?+ y *?3)
??o ?y?e? ?a???pa?e ?oc?e ?a?yc?a ?a?o? ?po?pa????
6.?Ko?a??a?in
Te?ep? pacc?o?p?? ?o?y? ?o?a??y ??? pa?o?? co?c?po?a?蠖 ?o?a??y?in.
Ba??o
Ko?a??a in??o??o??e? ?po?ep???, ??o o??a c?po?a ?axo???c? ??y?p? ?py?o?.
?a?p??ep: c?po?a ??a? ?axo???c? ??y?p? c?po?? ?c?o??a? ?a?a?a?.
B??a?o? c?y?ae o????o ?o?op??, ??o o??a c?po?a ????e?c? ?o?c?po?o? ??? ?py?o?.
text = input?()
if ?xopo?? in?text and ???ox? notin?text:
print (?Te?c? ??ee? ?o?o???e???y? ??o??o?a???y? o?pac?y.?)
elif ???ox? in?text and ?xopo?? notin?text:
print (?Te?c? ??ee? o?p??a?e???y? ??o??o?a???y? o?pac?y.?)
else:
print (?Te?c? ??ee? ?e??pa???y? ??? c?e?a??y? ??o??o?a???y? o?pac?y.?)
?ep?oe yc?o??e o?a?e?c? ?c??????, ?a?p??ep, ??? c?po? ??c? xopo?o? 蠫?a?o? xopo??? ?e???, ?o??e???? ?Bc? XoPo?o? ??e???? ???o-?o xopo?o, a???o-?o ???oxo?. A?a?o????o, ??opoe yc?o??e o?a?e?c? ?c?????? ??? c?po? ??c? ??oxo?, ???oxoe ?ac?poe??e? ??.??.
??????
??? ?????!
???????? ?????????, ??????? ????????? ???? ??????. ???? ??? ?????? ?My Python!?, ????????? ??????? ?YES?; ?????????? ?????? ????????? ???????NO?
?poc??e ?c?poe???e ?y?????
A??o?a???
B???o? ypo?e ????o??a?o???c? c????a?? ?a???x, ?ay???c? pa?o?a?? c???c?a?? ?y??ae? o??poc?e???x ?y?????x.
?o??ope??e
?a??po??o? ypo?e ???pacc?o?pe?? yc?o???? o?epa?op, ?o?op?? ?o??o??e? ???o????? pa??????e ?e??? ?o?a, ??a??c??oc?? o??a?a???x yc?o???. ?ay????c? coc?a????? c?o???e yc?o??? ?p? ?o?o?? o?epa??? not, and ?or.
1.?T??? ?a???x. ??c?o??e?????
?o?a e???c??e???? ???o? ?a???x, c??o?op?? ???pa?o?a??, ???? c?po??. Te?ep? ?a? ?pe?c?o?? pacc?o?pe?? ?e??e ??e?ec??e???e ??c?a. Ӡ?a??o?o ??e?e??a ?a???x, ?o?op?? ?c?pe?ae?c? ??po?pa??e, ec?? c?o? ???. (B?c?y?ae Python ?o?ee ?pa??????? ?ep????? ???acc o??e??a?, ?o?o???o? ????y?e? ?o?op??? ?opa??o ?o??e.)
?a?p??ep, ??p??e ??o c?po?a, a??o? 15.3?? ??o ??c?o (?po??oe). ?a?e ec?? ?a???e ?e??a??ca?? ?p??o ??po?pa??e, a??o?y?a??c? o??y?a-?o e??, y???x ec?? co?ep?e??o o?pe?e????? ???. ?a?p??ep, ?a??ec?o input () ?ce??a ?o?c?a???e?c? c?po?a, a?2?+2??ac? ??e??o ??c?o?4, a??e?c?po?y??4?.
?o???o?a?e?? ?o?e? ??ec?? c???a??a?yp? ?a??e-?o ???p?, ?o??pe?y???a?e input () ?ep??? c?po?y, coc?o??y? ?????x ???p. Ec?? ????o???ae?c?, ?a?p??ep, ?p??a???? ???o? c?po?e?1, ?o??o?y??? o????y.
?a?a??e ?o?po?ye? ??o c?e?a??:
a?= input?()
print (a?+1)
Coxpa???e ??a?yc???e ?po?pa??y.
B?e???e ???oe ??c?o ??oc?o?p??e, ??o ?o?y???c?.
O????a ?o?????e? ?o?o?y, ??o ??epe?e??y? a?y??ac ?o?a?ae? c?po?a, a???y????? print ??????ae?c? ??y c?po?y ???epe?e??o? a????c?o 1. ?c?pa???e ?po?pa??y ?a?, ??o?? o?a pa?o?a?a.
A?ec?? ?a? ?a?o pa?o?a?? c???c?a??? M???o?a ?y?e? pacc?a?p??a?? ?e??e ??e?ec??e???e ??c?a.
Ba??o
Ko??a pe?? ??e? o???c?o??x ?a???x?? o?? ?a??c??a??c???e? ?a???e?.
A???? ?e?ec??e???x ??ce렖 ??? pa??e?e??? ?e?o? ??po??o? ?ac?? ?c?o???y???o??y.
?a??po??o? ?a????? ???c??a???a?? ??e c?po??:
print (?10? + ?20?)
Ƞ?o?y?a?? pe?y???a? c?po?y ?1020?.
?a?a??e ?o?po?ye? ???o? ?p??epe y?pa?? ?a?????. B??a?o? c?y?ae pe?? ?o??? y?e ?e?o?c?po?ax, a?o???yx ?e??x ??c?ax.
Ƞpe?y???a?o? ?y????? print (10?+20) ?y?e? ?e?oe ??c?o?30.
A?ec?? ????o?po?ye? c?o???? ??a ?e?ec??e???x ??c?a print (10.0?+20.0), ?o?pe?y???a?o? ?y?e? ?e?ec??e??oe ??c?o 30.0.
?o?po?y??e ?pe??o?o???? ??o ?y?e?, ec?? c?o???? ?e?ec??e??oe ??c?o ??e?oe ??c?o print (10.0?+20). ?o?e?y?
M?????o????? c?o?e??e ??yx ??ce? ??y?p? ?y????? print, ?o?????o?e? ?epe?e???? ?a?a?? ?y???e ??a?e??e ????o????? ?e?c???? ?a? ?epe?e?????.
?a?a??e ?a???e? ?po?pa??y, ?o?opa? ?a?ac? ?y???e ??a?e??? ??y? ?epe?e???? (10??20), ?o?o? ????c??? ?x?cy??y, ?o?o??? ??o ??a?e??e ??pe??? ?epe?e??y? ????e?e? ?a???pa? ?o?y?e???? pe?y???a?. ?o?????e ?a?a????e c?po??, ??o?? ?po?pa??a pe?a?a ?oc?a??e??y? ?a?a?y:
?
print (summ)
Ba??o
O?pa???e ????a??e, ??o ec?? ??a?ec??e ??e?? ?epe?e??o? ??? cy??? ??????sum, ?o?o?o ???e??e?c? ??e?o?. ??o o??a?ae?, ??o ?a?oe ??? ??a?o?o cpe?e ??p??a??e??? ?a?o?-?o ?y?????, ??a?ec??e ??e?? ?epe?e??o? e?o ?y??e ?e??c?o???o?a??.
Ka? c??a???a?? ??a ??c?a ????ay????c?. E?e ??c?a ?o??o ?????a??, y??o?a??, ?e????, ?o??o???? ?c?e?e??, ?o?y?a?? ?e?y? ?ac?? o??e?e??? ?oc?a?o? o??e?e??? ?a?e?o. ?a?a??e pa??ep?? ??? o?epa??? ?a??p??epax.
print (30???10)
print (30.0???10)
print (3?*?3)
C??????a??e? ?y??o?e??e? ?ce ?o????o, o?? a?a?o????? c?o?e???.
Bo??e?e??e ?c?e?e?? o?o??a?ae?c? ??y?? ????o??a?? **, ?o?op?e ?o???? ?a??c??a??c? ?e? pa??e???e?e?.
print (9?**?2)
O?pa???e ????a??e, ??o pe?y???a? ?e?e????? ?ce??a ?e?ec??e????, ?a?e ec?? ????e??? ??a ?e??x ??c?a, ?o?op?e ?e???c? ?a?e?o.
print (10?/?2)
?o?po?y??e ?o?e???? ?a?0. ?oc?o?p??e, ?a? ?y?e? ??????e?? o????a ?e?e??? ?a?0.
2.?O?epa??? ?a? ??c?a??. ?e?o??c?e??oe ?e?e??e
Ba??o
??? pea???a??? ?e?o??c?e??o?o ?e?e??? cy?ec??y?? ??a ?e?c?????? ?e?e??e ?a?e?o ?oc?a?o? o??e?e??? ?a?e?o. ?o?y?e??e ?e?o? ?ac?? o??e?e??? o?o??a?ae?c? ?a? y??oe???? ??a? ?e?e??? //, a?oc?a??a o??e?e??? ?a?e?o???%.
?a?a??e ?o?po??ee pa??ep?? ??? o?epa???. ??o ?y?e? ???e?e?o ?pe?y???a?e ???x ?e?c?????
print (10?// 3, 10%?3)
print (10?// 5, 10%?5)
print (10?// 11, 10%?11)
?o?yc???, ?a? ???ec??? pe?y???a?? a?// b, a?%?b????c?o?b, ?a?????e ?op?y?y, ?a? ?a??? ??c?o?a?
?a?a??e ?po?ep?? ?a?y ?op?y?y:
a?=?10
b =?3
print (?.A?c??a ?a???e? ?op?y?y?)
O?pa???e ????a??e ?a??op??o? ???o??e??? ?e?c???? ??a?e? ?op?y?e. ?e?o??c?e??oe ?e?e??e ??ee? ?o??e ?p?op??e?, ??o ?o????oe ?e?e??e, ??a???, ?y?e? ???o????c? pa???e, ?e? ?????a??e ?c?o?e??e. ??? ???e?e??? ?p?op??e?a ???o??e??? o?epa??? ?c?o???y??c? c?o???, ?ce ?a??e, ?a? ???a?e?a???e.
A??e?ep?, ?e??o?o pa?o?pa???c? c ????? o?epa?????, ?o?po?y??e ?pe??o?o????, ??o ???e?e?c? ?a ??pa? ?oc?e ???o??e??? c?e?y??e?o ?yc?a ?o?a:
print (10?// 3, 10%?3)
print (-10?// 3, -10%?3)
O?pe?e???e, ??o ?y?e? ???e?e?o ?a???pa??
a?=?4
b =?15
c = b / 5?* 3???a
print?(c)
3.??p?op??e? o?epa???
M??y?e c??a?? ??y???? ?ec?o???o ???o? o?epa?opo? ?????e Python:
??o?epa?op? ?p?c?a??a??? (=, +=, -=, *= ??.?.)
??o?epa?op? cpa??e??? (==,!=,>, <,> =,?<=)
??ap???e???ec??e o?epa?op? (+, -, *, //, %,?**)
???o???ec??e o?epa?op? (and, or,?not)
Ec?? ??py??e, ???c????? ?o??a?o???c? ?o???ee. Bce ??? o?epa?op? ?o?y? ?c?o???o?a??c? co??ec??o ??o?o???o c?o???x ?o?c?py????x, ?o??o?y ?y??o ?o????? o??p?op??e?e o?epa???, ??c?y?ae ?eo?xo???oc?? ?e???? e?o ?p? ?o?o?? c?o?o?.
??a?, ?p?op??e? ???o??e??? o?epa?opo? ?Python o??a???c?e?o (???o???e?c? ?ep???) ?o??a?????e?o:
1. Bo??e?e??e ?c?e?e???(**)
2. ??ap??? ???yc (-). ?c?o???ye?c? ??? ?o?y?e???, ?a?p??ep, ?po???o?o?o??o?o ??c?a.
3. ???o?e??e, ?e?e??e (* / %?//)
4. C?o?e??e ??????a??e (+?-)
5. O?epa?op? cpa??e??? (<= <>>?=)
6. O?epa?op? pa?e?c??a (==!=)
7. O?epa?op? ?p?c?a??a????(=)
8. ?o???ec??e o?epa?op? (not or?and)
PEP?8
Ec?? ?c?o???y??c? o?epa?op? c?pa????? ?p?op??e?a??, ?o?po?y??e ?o?a???? ?po?e?? ?o?py? o?epa?opo? c?ca??? ?????? ?p?op??e?o?. Py?o?o?c??y??ec? c?o??? co?c??e????? cy??e?????, ?o????o??a ?e??c?o???y??e ?o?ee o??o?o ?po?e?a ??ce??a ?c?o???y??e o???a?o?oe ?o???ec??o ?po?e?o? ?o?o?e c?opo?? ???ap?o?o o?epa?opa.
4.??poc?e???e ?y?????
C??e?c?????? ?a? ??c?a?? o?pe?e????c?, oc?a?oc? pa?o?pa??c?, ?a? ?o?y?a?? ??c?a ????o?a. ??ec? ?a? ?o?o?e? ?a??oe ?o?oe ?o????e?? ?y?????. B??a?e?a???e ?y????? ??o??o?o ??c?a (??? ?a?e ?ec?o????x) ?e?ae? ?py?oe.
?y?????
B??po?pa???po?a??? (??Python ??ac??oc??): ?y??????? ??o cy??oc??, ?o?opa? ??o??o?o (??? ?a?e ?ec?o????x) ??a?e??? ?e?ae? ?py?oe. ?p? ??o? o?a ?o?e? e?? ????o????? ?a??e-?o ?e?c????. ?a?p??ep, ec?? ?y????? ?o?y?? y = |x|, a?a?o????o ?Python ec?? ?y????? y = abs (x). ?o??y????? ?Python ?eo???a?e???o ?p????a?? ?o???o ??c?a.
??? ?o?o, ??o?? ??o???? ??c?a c???a??a?yp? ??a?ee pa?o?a?? c?????, ?a? ?eo?xo???o ?a??? ?y?????, ?o?opa? ??c?po?? ?e?ae? ??c?o. Ƞ?a??e ?y????? ec??!
Ba??o
T?? ?a???x ?e??x ??ce? ?Python ?a???ae?c??int, ?po???x ??ce렖 float.
O??o?????e ?y????? ?p????a?? ??a?ec??e ap?y?e??a c?po?y ??o??pa?a?? ??c?o, ec?? ???o? c?po?e ???o ?a??ca?o ??c?o (??a?e ???a?? o????y):
a?= input?()
b = int?(a)
print (b?+1)
??? ?o??o ?a??ca?? ?a?e??a?:
a?= int (input?())
??o ?y?e? o??a?a???? ?o?y?? c?po?y ????o?a, c?e?a? ???e? ?e?oe ??c?o ?pe?y???a? ?o?ec?? ??epe?e??y??a.
Ƞ?o??a ?pe???y?a? ?po?pa??a ?o?e? ???? ?a??ca?a ????e:
a?= int (input?())
print (a?+1)
?o??o??o co?pa???? ?o? e?e, ?a??ca? ?o??a?:
print (int (input ())?+1)
?y????? int ?o?e? ???? ?p??e?e?a ???? ?o?y?e??? ?e?o?o ??c?a ???e?ec??e??o?o?? ??a?o? c?y?ae, ?po??a? ?ac?? ?y?e? o??po?e?a (?e? o?py??e???).
?a?p??ep,
print (int (20.5?+34.1))
???ac? ?a???pa? ??c?o?54, xo?? ec?? c?o???? ??? ??c?a ??e?o??pa????? ?x???y????? int, pe?y???a? ?y?e? 54.6.
B?Python cy?ec??ye? o?po??oe ?o???ec??o pa??????x ?y?????, ????y?e? ??a?o????c? c????? ?oc?e?e??o. Ta?, ?a?p??ep, ??? c?po?? ?o??o ?a??e o?pe?e???? e??????y.
Ba??o
????a c?po?蠖 ??o ?o???ec??o c???o?o? ?c?po?e.
??? o?pe?e?e??? ????? c?po?? ?c?o???ye?c? c?a??ap??a? ?y????? Python?len?().
?a??p??epe ?y????? len pa??epe?c? c?oc?o????? ?o???????, c???a????? c??c?o???o?a??e? ?y?????. ??y???e??o?:
word = input?()
length = len (word)
print (?B? ??e?? c?o?o ????o?, length, ??y??.?)
Ba??o
Ko??a ?????po?pa??e ?c?o???ye? ?y?????, ??o ?a???ae?c??????o? ?y?????. B??o? ?y????? yc?poe? ?a?: ???e? ??? ?y????蠖 len, a??a?e? ?c?o??ax ?e??a???e, ?o?op?e ????epe?a?? ??o? ?y?????, ??o?? o?a ??o-?o c????? c?e?a?a. Ta??e ?a???e ?a???a??c??ap?y?e??a??.
B??a?e? ?p??epe ?a???e ?c?o??ax ?o???? ???? c?po?o?. M?????pa?? ??a?ec??e ?a???x ??a?e??e ?epe?e??o? word, ?o?opoe ?o???o?a?e?? ?o???o?o ??? c???a??a?yp?. To?ec?? ??a?e??e ?epe?e??o? word ??c?y?ae? ??ec? ?po?? ap?y?e??a. A??y????? len ???a?? ????y ??o? c?po??. Ec?? ?o???o?a?e?? ???, ?a?p??ep, ??p??e?, ?o??word o?a???ae?c? pa??o ??p??e?, ??a??ec?o len (word) ?o?c?a???e?c? ????a c?po?? ??p??e?, ?o?ec???6.
O?pa???e ????a??e: ?a???? pa?, ?o??a ??????e? ??? ?epe?e??o? (?po?e ca?o?o ?ep?o?o pa?a?? ?o?epa?ope ?p?c?a??a??? c?e?a o???a?a =), ??ec?o ??o?o ??e?? ???ep?pe?a?op ?o?c?a???e? ??a?e??e ?epe?e??o?.
Ba??o
To??o ?a??e ?a??ec?o ???o?a ?y????? (?o?ec?? ??e?? ?y????? ?e??ap?y?e??o? ?c?o??ax) ?o?c?a???e?c? pe?y???a? e??pa?o???? ??o ?a???ae?c???o??pa?ae?oe ??a?e??e ?y?????.
Ta??? o?pa?o?, ?y????? len ?o??pa?ae? ????y c?oe?o ap?y?e??a. input?? ?o?e ?y????? (o?c??a c?o???), o?a ?e??p????ae? ???a??x ap?y?e??o?, ?a?o c?????ae? c?po?y c???a??a?yp? ??o??pa?ae?e?.
print?? ?o?e ?y?????, o?a ?e??o??pa?ae? ???a?o?o oc??c?e??o?o ??a?e???, ?a?o ???o??? c?o? ap?y?e??? ?a???pa?. ??a ?y????? ?o?e? ?p????a?? ?e?o??? ap?y?e??, a?c?o???o y?o??o. ?ec?o???o ap?y?e??o? o??o? ?y????? c?e?ye? pa??e???? ?a??????.
?a?ca?o? ?e?e, ?y????? ca?a ?o?ce?e?? ??o ?a????ec?? ?e?o???a? ?po?pa??a, ?o?o???o? ?o??e.
?y????? ?e?pa?????o ?po?cxo??e??e ??a?e???, ?o?op?e e??epe?a?? ??a?ec??e ap?y?e??a. ??o ?o?e? ???? ??a?e??e ?epe?e??o?, pe?y???a? pa?o?? ?py?o? ?y????? ??? ?a??ca??oe ?p??o ??o?e ??a?e??e:
print (???o c?o?o ????o?, len (?a?pa?a?a?pa?), ??y??.?)
O?pa???e ????a??e, ??o ??pe???y?e? ?p??epe ??a?e??e ?epe?e??o? word ?oo??e ???a? ?e????e???oc? o????o?a ?y????? len. C??py?o? c?opo??, ???o? ?y????? ?o?e? c?o??? ??e y?o??o, ?e?o???a?e???o cpa?y ??ac?? ?o??pa?ae?oe ??a?e??e ??epe?e??y?.
Ka? ec?? ?y????? int, ?o?opa? ???ae?c? c?e?a?? ???o?o, ??o e??epe?a??, ?e?oe ??c?o, ?a??e ec?? ??y????? str, ?o?opa? ?o??pa?ae? c?po?y ???ex ?a???x, ??o ??ee ?epe?a??.
print (str (10) + str (20)) # ???e?e? ?1020?
print (int (?10?) + int (?20?)) # ???e?e?30
Ka???? pa?, ?o??a ??????e?e ?po?pa??y, ?a??o ?o???a??, ?a?o? ??? ??ee? ?a??oe ??a?e??e ??a??a? ?epe?e??a?.
5.?O??e? ??a?e????? ?epe?e???x
M????y???? o?epa??? c?pa???????? ???a?? ?a???x.
?a?a??e ?o?po?ye? ?a??ca?? ?po?pa??y, ?o?opa? ?o?e??e? ?ec?a?? co?ep???oe ?epe?e???x a??b. ?yc?? ec?? ?a?o??o?:
a?=?3
b =?5
?
?
print?(a)
print?(b)
??o ?a?o ???ca?? ??po?y?e???e ?ec?a, ??o?? ?a??e?a?o?5, a??b??e?a?o 3? ?p? ??o?, ??c?a?? 3??5??o???o?a??c? ?e????.
Ka? o??? ???ap?a??o⠖ ?o??o ?c?o???o?a?? ?o?o????e???y? ?epe?e??y?:
a?=?3
b =?5
c =?a
a?=?b
b =?c
print?(a)
print?(b)
A??e?ep? ?o?po?y??e ?a??ca?? ?ap?a?? ?e? ?o?o????e???o? ?epe?e??o?, ?epe? cy??y ??yx ??ce?.
?o??a? c??a?? o?e?? ?o?e??o, ??o ?????y?ae? ???? Python, ?o?o?y ??o o????o??ep???ae? ?o?ee ?poc?o? ?ap?a?? ?a??c?:
a?=?3
b =?5
a, b = b,?a
print?(a)
print?(b)
??a?e??? ?epe?e???x, ?o?op?e pac?o?o?e?? c?pa?a o???a?a ??p?c?o????, ?y?a?a??o? ?op???e ?o?e?a??c? ??epe?e???e c?e?a, ??op???e ?x?y?a?a???.
Ta?, ?c?o???y? ??o?ec??e??oe ?p?c?a??a??e, ?o??o ?a?a?a?? ?ec?o????? ?epe?e???? o??o ??a?e??e:
a?= b = c =?5
??????
???????? ??????????
???????? ?????????, ??????? ????????? ?????? ?????, ?????? ??????? ????,
???? ??? ??????, 蠫??һ, ???? ????????.
???????? ?????????????2
????????? ????? ??????? ??? ?????? ????????. ????? ????? ??????, ???? ??? ?????? ????? ??????,
?, ??????????????, ????????, ???? ?????? ????? ????????.
????????? ?????? ??????? ?????? ???????????? ????? ????????? ??????? ??? ?????????.
??a?o?c??o c ????o? while
A??o?a???
B???o? ypo?e ????o??a?o???c? c?o?epa?opo? ????a while. ???? ?o??o??e? op?a???o???a?? ??o?o?pa??oe ?o??ope??e o???x ??ex??e ?e?c????. M???a??e ca??e???pye? ????a??e ?a??o?, ??o ?o??o? ??o??e c?po??e ?po?pa??? ?a?pa???x ??epa???x ????a ?epe?e???e ?o?y? ??e?? pa??oe ??a?e??e.
1.????? while
Ce?o??? ????ay???c? ?o??op??? ?a?a???e ?e?c???? ?ec?o???o pa?. ??? ??o?o cy?ec??y?? o?epa?op? ????o?. M??pa??epe? o?epa?op ????a while. O?????o???e? ??o? ?o?a, ?o?a ?c????o??a?oe-?o yc?o??e.
?a?o????, yc?o???? o?epa?op if??po?ep?e? yc?o??e??, ??a??c??oc?? o??o?o, ?c????o o?o ??? ?o??o, ???o???e? ???o ?e????o???e? c?e?y???? ?a??ca???? c?o?c?y?o? ??o?. ?oc?e ??o?o ?po?pa??a ????o? c?y?ae ???o???e?c? ?a???e (?a? e?? ?o?e? ???? elif ??? else, ?o?cy?? ??o ?e??e??e?).
Ba??o
O?epa?op while (??o?a?) ?o?e ?po?ep?e? yc?o??e ??o?e ?c?y?ae e?o ?c????oc?? ???o???e? c?e?y???? ??o? ?o?a (??e?o ????a?). O??a?o ?oc?e ???o??e??? ??o?o ??o?a ?o?a ???o???e?c? ?e??o, ??o ??? ?oc?e ?e?o, a?c?o?a ?po?ep?e?c? yc?o??e, ?a??ca??oe ?oc?e while.
Be?? ?p? ???o??e??? ?e?a ????a ??a?e??? ?a??x-?o ?epe?e???x ?o??? ???e????c??? ?pe?y???a?e yc?o??e ????a ?o?e? y?e ?e????? ?c??????. Ec?? yc?o??e ?c? e?? ?c????o, ?e?o ????a ???o???e?c? c?o?a. Ka? ?o???o yc?o??e ????a ?epec?a?o ???o?????c? (??o? ??c?e ec?? o?o c?ca?o?o ?a?a?a ?e????o ???o??e?o), ?po?pa??a ??? ?a???e?? ???o?????c? ?o?a???, ?a??ca???e ?oc?e ?e?a ????a.
?c?o??e ????a ?a??c??ae?c? ?a? ???? if?? c??o?o??? o?epa??? o??o?e??? (>,> =, <, <=,!=, ==). C?o???e yc?o??? ?o??o coc?a????? c??o?o??? ?o???ec??x o?epa??? not, and,?or.
?e?c????, pac?o?o?e???e ??e?e ????a (??o? ?o?a), ?a??c??a??c? co?c?e?e??e? ??pa?o ?a?4??po?e?a o??oc??e???o ?a?a?a c?o?a while. ?epe?e???e, ?xo????e ?yc?o??e, ?o???? ?a??o?e?? ?po?ep?? yc?o??? ????a ??e?? ??a?e???.
while yc?o??e:
??o? ?o?a (?e?o ????a)
Ba??o
O??? ?a? ????a (???o??e??e ?e?a ????a) e?? ?a???a????epa??e?.
?c?o???y??e ???? while ?ce??a, ?o??a ?a?a?-?o ?ac?? ?o?a ?o???a ???o?????c? ?ec?o???o pa砖 ?p???? ?e?o??o??o ?apa?ee c?a?a??, c?o???o ??e??o.
?a?a??e ?oc?o?p?? ?po?pa??y, ??o?opo? ???? ?y?e? ???o?????c? ?o?a ?e???e?y? ??c?o ?e???e?0:
number = int (input?())
while number>?0:
print (?B? ??e?? ?o?o???e???oe ??c?o! B?o???e ?a???e.?)
number = int (input?())
print (?Ta?-?a?, ??o ?y? y ?ac??)
print (?B? ??e?? o?p??a?e???oe ??c?o ??? ?o??. Bc?.?)
Pa??ep??c?, ?a? ?y?e? pa?o?a?? ??a ?po?pa??a.
C?a?a?a ???o???e?c? ?ep?a? c?po??a: number = int (input ())?? ?o???o?a?e?? ??o??? ?e?oe ??c?o. (M???pe??o?a?ae?, ??o ?o???o?a?e?? ?e?c????e???o ??? ??c?o, ??po?pa??a ?e????e?e?a c?o????o?.) ?pe??o?o???, o????? ??c?o 10. O?o ?a??ca?o ??epe?e??o? number.
B??o???e?c? ??opa? c?po??a: while number> 0:?? ??o?a number> 0??? ??ec? ?po?ep?e?c?, ???o??e?o??? yc?o??e number> 0. ?oc?o???y ????pe??o?o????, ??o number ???o? ?o?e?? pa??o?10, ?o??a, yc?o??e ???o??e?o, ?o??o?y ?a???e ???o???e?c? ??o?, ?a??ca???? c?o?c?y?o젖 ?e?o ????a.
Tpe??? c?po??a ?po?pa??? ???o??? ?a???pa? c?po?y, ?y? ?c? ?o????o.
?e??p?a? c?po??a ??o?? c?????ae? c???a??a?yp? ??c?o ?coxpa??e? e?o ??epe?e??y? number. ?yc?? ?o???o?a?e?? ???2.
Ko??a ???o??e??e ?po?pa??? ?oxo??? ?o??o??a ?e?a ????a, ?po?cxo??? ?o??pa? ??a?o?o??y ????a (??opo? c?po??e ?po?pa???) ??o??op?a? ?po?ep?a yc?o???. ?oc?o???y 2> 0, c?o?a ???o???e?c? ?e?o ????a.
Tpe??? c?po??a c?o?a ???o??? ?a???pa? coo??e??e, ?e??p?a? c?po??a c?o?a c?????ae? ??c?o (?yc?? ??o ?y?e? ??c?o?3), ???a? c?po??a c?o?a ???o??? ?a???pa? coo??e??e?
?a?o???? ?e?o ????a, o???? ?po?ep?e? yc?o??e ??a?o?o??e. number pa??o 3, 3> 0, ?o??o?y ?po?o??ae?.
Tpe??? c?po??a o???? ???o??? ?a???pa? coo??e??e, ?e??p?a? c?po??a o???? c?????ae? ??c?o. ?yc?? ?e?ep? ??o ?y?e? ?1?? o?pa???e ????a??e, ?epe?e??a? number ?a??a??o? ??epa??? ????a ?p?o?pe?ae? ?o?oe ??a?e??e! ???a? c?po??a o???? ???o??? ?a???pa? coo??e??e?
B?o?? ?ep?y???c? ?a???opy? c?po??y, ?o?y?ae?, ??o ?1> 0?? ?o??o. ?o??o?y ???? ?a?ep?ae?c?, ?e?o ????a ?o???e ?e????o???e?c?, ?p??ae? cpa?y ?a?c?e?y??y? ?oc?e ????a c?po??y ?po?pa????? ?ec?y?. O?a ???o??? ?oc?e??ee coo??e??e.
Bc?.
2.?Coc?a??o? o?epa?op ?p?c?a??a???
?a?o????, ??o ?o?epa?ope ?p?c?a??a??? o??o ??o??e ??? ?epe?e??o? ?o?e? c?o??? ?c?pa?a (?coc?a?e ?a?o?o-?o ??pa?e???), ?c?e?a. B???o? c?y?ae c?a?a?a ????c??e?c? ?pa?a? ?ac?? co?c?ap?? ??a?e??e? ?epe?e??o?, ?oc?e ?e?o pe?y???a? c?a?o???c? ?o??? ??a?e??e? ??o? ?epe?e??o?. ????oe? c?y?ae ?e??oc?p????a??e ?a?o? o?epa?op ?p?c?a??a??? ?a? ypa??e??e!
number = int (input ()) # ?a?p??ep,?5
number = number +1?# ?o??a ??ec? number c?a?o???c? pa????6
print (number)
Ba??o
??? ?o?c?py???? ???a number = number +1, ?a??e cy?ec??ye? co?pa????a? ?op?a ?a??c? o?epa?opa ?p?c?a??a???: number += 1. A?a?o????o o?epa?op x = x + y??o??o ?a??ca?? ?a? x += y, o?epa?op x = x * y?? ?a? x *= y, ??a? ??? ???o?o ??ce?? ap???e???ec??x ?e?c????.
3.?C???a? oc?a?o???
Pacc?o?p?? ?a?y? ?a?a?y: ?o???o?a?e?? ??o??? ??c?a. ?yc?? ??o ?y?y? ?e?? ?a??y??e???e ??a?a???e ?o?ap?, a??a?a ?po?pa??a?? ?ac?? ?po?pa???o?o o?ec?e?e??? ?acco?o?o a??apa?a. B?o? ??1??? c???a? oc?a?o???. ?y??o coc???a?? cy??y ?cex ??e????x ??ce? (cy??y ?e?a).
?oc?o???y ?pe?ye?c? ?o??op??? ?e??o (??o? o?epe??o? ?e??) ?e???ec??oe ?o???ec??o pa?, ?o?pe?ye?c? ???? while. ?a? ?o?a?o???c? ?a? ?????y? ??e ?epe?e???e: price ??? ?e?? o?epe??o?o ?o?apa ?total ??? o??e? cy???.
Ec???? ?????a?? ?o??o, ??o ?o???o?a?e?? ?a?o ?y???? po??o ?p? ?o?apa, ?o????? (???o? ??1? ?a? yc?o??e e?o ?pep??a???) ????? ?e??y?e?. To??a ?po?pa??a ?o??a??? ??????e????a?:
total =?0
price = float (input?())
total = total + price
price = float (input?())
total = total + price
price = float (input?())
total = total + price
print (?Cy??a ??e????x ??ce? pa??a?, total)
O?pa???e ????a??e: ????a??a?? ?epe?e???e oc??c?e??o. ??o o?e?? o??e???? ????? ?po?pa???c?y, ?o?op?? ?y?e? ???a?? ?a? ?o? ?o??e?? ?a?e ec?? ??o ?y?e?e ???ca?? ?e?e?? c?yc??. O??a?o ???ep?pe?a?op Python ???o?y ?a??y co?ep?e??o pa??o?y?e?. ??o?? ??a?e??? ?epe?e???x coo??e?c??o?a?? ?a??a???? ??o?y c??c?y, ?o?op?? ??????x ?a??a???ae?, ?y??o ?o??ep???a?? ?epe?e???e ?a??ya???o? coc?o????. Ƞ?o???o???, ?po?pa???c?, ?o?e?e ??o c?e?a??. C??epe?e??o? price ?c? ?o?ee ??? ?e?ee ?o????o: e????a?e??e o??o???e?c? ?p? c?????a??? c???a??a?yp? ?a??a??o? ??epa??? ????a, ?a? ??o ?e?a?oc? ?o???o??x ?py??x ?a?a?ax. total c?a?a?a pa??o ?y??: ?o??a?a?a ??o?a ?e? ?x?cy??a, ?o?e??o, ?o??. O??a?o ??a?e??e ?epe?e??o? total yc?ape?ae? ?a???? pa?, ?o??a ?o???o?a?e?? ??o??? ?e?y o?epe??o?o ?o?apa. ?o??o?y ?a? ?y??o ?p??a???? ???a?e??? total ?o???o ??o ??e???y? ?e?y, ??o?? ??a ?epe?e??a? ?o-?pe??e?y o?o??a?a?a cy??y ?e? ?cex ?y??e???x ?o?apo?.
Ec???? ???xo?e?? co?pa???? ?a??c?, ?o??o ???o??? op?a???o?a?? ????, ?o?op?? ???o????c???? po??o ?p? pa?a. ??? ??o?o ?a? ?o?pe?ye?c? ?epe?e??a? c?e????, ?o?opa? ??y?p? ????a ?y?e? c???a?? ?a??y? ??epa??? ????a. A?yc?o??e? ??xo?a?? ?oc?a??? ???o??e??e ?y??o?o ?o???ec??a ??epa???:
count =?0
total =?0
while count?<3:
price = float (input?())
total = total + price
count = count?+1
print (?Cy??a ??e????x ??ce? pa??a?, total)
O?pa???e ????a??e, ??o total ?count ?o???? o??y????c? ?o?????a.
O??a?o y??ac ??a?a?e ?o???ec??o ?o?apo? ?e???ec??o, ?o??o?y ?o?a?o???c? ???? ?o???o?a c???a?a oc?a?o??? (? ?1?). C?y???o? c?a?a??o?o ???e ?po?pa??a ?y?e? ??????e????a?:
total =?0
print (?B?o???e ?e??; ??? oc?a?o??? ??e???e -1.?)
price = float (input?())
while price>?0:
total = total + price # ?o??o ?a?e???? ?a a?a?o????oe total += price
price = float (input?())
print (?O??a? c?o??oc?? pa??a?, total)
4.??o?c?e? ?o???ec??a ??e?e??o?, y?o??e??op????x yc?o???
A??e?ep? pacc?o?p?? e?? o??y ?a?a?y.
?o???o?a?e?? ??o??? ?e??e ??c?a. B?o? ??ce? ?pe?pa?ae?c?, ec?? ??e?e?o ??c?o 0. ?eo?xo???o o?pe?e???? c?o???o ??ce? cpe?? ??e?e???x o?a????a??c? ?a?2?????? ?pa??? ??c?y 4. Te?ep? ?a? ?a?o ?po?ep??? ?oc?e?o?a?e???oc?? ??ce?.
??? ?a??o?o ??e?e??o?o ??c?a ?a?o ?e?a?? ?po?ep?y, coo??e?c??ye??? o?o yc?o???. Ec?? o?o ?o?xo??? ?o? yc?o??e, ?o?y?e?????ae? c?????? ?a??x ??ce?.
Ƞy?e ?oc?e ????a, ?o??a oc?a?o???c? ??o? ??ce렖 ???o??? pe?y???a? ?oc???a??oe ?o???ec??o ?y???x ??ce?.
count =?0
number = int (input?())
while number!=?0:
if number % 10?== 2?and number % 4?==?0:
count +=?1
number = int (input?())
print (?Ko???ec??o ?c?o??x ??ce?:?, count)
O?pa???e ????a??e, ?o?????a ?eo?xo???o ?a?a?? ?a?a???oe ??a?e??e ??? ?epe?e??o? count. Be?? ?o??a ?p??e? ?ep?oe ?o?xo???ee ?o? yc?o??e ??c?o, y??ac count ?y?e? y?e?????a??c? ?a?1, o??oc??e???o ?pe???y?e?o ??a?e???. A???a???, ??o ??a?e??e ?o???o ???? ?a?a?o.
?a?a??e ?oc?o?p??, ?a? ?y?e? pa?o?a?? ??a ?po?pa??a ??? ?oc?e?o?a?e???oc?? ??ce?: 12, 3, 32, 14,?0.
5.??o?c? ?????y?a ??a?c??y?a
O?e?? ?ac?o ??a?a?ax ?p?xo???c? ?c?o???o?a?? pa??????e c?a??c???ec??e a??op????: ?o?c? ?a?c??y?a, ?????y?a, cpe??e?o ??a?e???, ?e??a?? ??o?? ??ce?, ??a???? ???o?op?x?? o?pe?e?e??e ?a?c??a???o?o ??????a???o?o ??a?e??? ?a???o?ec??e ?a???x.
Pacc?o?p?? a??op??? ?o??e? ???e:
1. ?a?e?e? o??e???y? ?epe?e??y? ??? xpa?e??? ?a?c??y?a ??????y?a. B??a?ec??e ?a?a???o?o ??a?e??? ?o??o ?a?a??:
???a?e?o?o ?a?oe ??? a?a????pye??x ?a???x ??a?e???, ??? ?a?c??y?a?? ??o ?y?e? o?e?? ?a?e???oe ??c?o, ?a?p??ep, ec?? ???????c??e? ?a?c??a????? ?a?? ?a????a?e?, ?o??o??o ????? maximum = 0, ?o??a ?apa???po?a??o ?po??o??e? ?a?e?a ?a?c??y?a. M????y?y??e ?ao?opo? ?p?c?a??ae?c? ?a?e?o?o ?o???oe ??a?e??e
???ep??? ??e?e?? ?a???x
2. ??e?e ????a ?a???? ?o?xo????? ??e?e?? ?a???x o?pa?a???ae?c? o?epa?opa?? ?o??p?????y:
??ec?? ?e?y??? ??e?e?? ?o???e ?a?c??y?a, ?e??e? ?a?c??y?
??ec?? ?e?y??? ??e?e?? ?e???e ?????y?a, ?a?e??e? ?????y?
Pacc?o?p?? ?p??ep. B??? a?a????po?a? c??co? ???epa?yp? ?pe???, ??o xo?e? ?a?a?? c?ca?o? ?o???o? ?o??o???ec??y c?pa??? ?????. ?a???e? ?po?pa??y, ?o?opa? ?o?o?e? B??e o?pe?e???? c?o???o c?pa??? e?y ?pe?c?o?? ?po???a??. B??? ?oc?e?o?a?e???o ??o??? ?o???ec??o c?pa??? ?a??o? ????? ??c??c?a, a?o?o??a??e? ??o?a c?y??? ??o? ???o?o o?p??a?e???o?o ??c?a.
biggest_book =?0
n = int (input?())
while n>?0:
if n> biggest_book:
biggest_book =?n
n = int (input?())
print (biggest_book)
Ta? ?a? ????a ?e??o?e? co?ep?a?? ?ce?e 0?c?pa???, ??? ??a?e??? ?a?c??y?a ????o?e? ??????0.
?oc?e ??o?o B??? ?a???ae? ??o???? ?o???ec??o c?pa???, ?a?p??ep, o????o??? 148. 148> 0?? yc?o??e ????a ???o???e?c? ?????epexo??? ?o?epa??? cpa??e???. ?a??a??o? ?a?e 148> 0, ??a??? biggest_book = 148. C?o?a c?????ae? ??c?o.
?pe??o?o??? ?e?ep? ??e?e?o 120. 120> 0?? ?po?o??ae? pa?o?a?? ?????e. 120> 148?? yc?o??e ?e????o???e?c?, ?epexo??? ???o?y ?o??x ?a???x, biggest_book ?ce e?e pa?e??148.
B???o? pa? B??? ??e? 486, ????axo??? ????? 486> 148, ?po???o??? ?a?e?y biggest_book = 486. ?po?o??ae? ??o?. Ƞ?a? ?a?ee ?o??ex ?op, ?o?a ?e??y?e? ??e?e?o o?p??a?e???oe ??c?o.
??????
?????? 123456
???????? ?????????, ??????? ?????????? ??????? ????????. ???? ?????? ?????? 8?????????, ?? ???????? ?????????, ???? ?????? ???????? ?123?, ? ????????. ???????????? ????? ????? ???,?????
?? ????????? ????????, ?????? ???????? ?OK?.
??a?o?c??o c ????o?for
A??o?a???
B?ypo?e pacc?a?p??a??c? ??e?o?a???e ap?y?e??? ?y????? print, c?e??a????e c???o?? ?c?po?e ??o?c?py???? ?for? in?range (?):?.
1.???e?o?a???e ap?y?e??? ?y????? print
M??y?e ?o???o?a??c? ?e?, ??o ?y????? print ?p? ???o?e pa??e??e? ap?y?e??? ?po?e?a??, a???o??e ?epexo??? ?a??o?y? c?po??y.
?ac?o ??o y?o??o. ?o???o, ec?? o???o?o ?y??o ???a????c?? B??p??epe ???e ?po?e?? ?o??????c? ?e??o???o ?oc?e ??oe?o??? (??o xopo?o), ?o???epe? ?a???o? (??o ??oxo).
measures =?7
cuts =?1
print (?Ko???ec??o o??epo?:?, measures,?, ?o???ec??o o?pe?o?:?, cuts)
# ???e?e?: ?Ko???ec??o o??epo?: 7, ?o???ec??o o?pe?o?:?1?
Ba??o
??? ?a?o? ?o??o? ?ac?po??? ???o?a y??y????? print cy?ec??y???eo???a?e????e ??e?o?a???e ap?y?e???.
(Ta??e y?o???e ??c?py?e??? ???a?? ?y??py??x ?y?????, ????o??a?o???c? c????? ?o??e).
O????o ?p? ???o?e ?y????? ??????e? ??? ?y?????, a??a?e? ?c?o??ax e??ap?y?e??? ?epe? ?a???y?. C?a??ap???? c?oco? coo????? ?y?????, ??o ?c??a???? ap?y?e??a?? ?e?a?? (?a?p??ep, ?a?o? ??ap?y?e??o? ?y????? print ???ec?? ?ep???, ?a?o? ??op?? ??. ?.),?? ??o ?epe?a?? ap?y?e??? ??y??o? ?op???e. ?a?p??ep, ?y????? print ???o??? ap?y?e??? ??e??o ??o? ?op???e, ??o?opo? ?x?e??epe?a??. O??a?o ec?? ??py?o? c?oco᠖ ??e?o?a???e ap?y?e???. ??o?? ?p? ???o?e ?y????? ?epe?a?? e???e?o?a???? ap?y?e??, ?y??o ?oc?e o?????x ap?y?e??o? ?a??ca?? ?epe? ?a???y? ??? ap?y?e??a, ??a? ?=? ???a?e??e ap?y?e??a.
Ba??o
?y????? print ?ap??y c??py???? ap?y?e??a?? ?o?e? (??ec?e ??? ?o?o??e???oc??) ?p????a?? ?o? ?a??x ??a ap?y?e??a: sep?? pa??e???e?? ap?y?e??o? (?o?y?o??a??? ?po?e?) ?end?? ?o, ??o ???o???c? ?oc?e ???o?a ?cex ap?y?e??o? (?o?y?o??a????? c???o? ?a?a?a ?o?o? c?po??).
B??ac??oc??, ec?? end c?e?a?? ?yc?o? c?po?o?, ?o?print ?e??epe??? ?a??o?y? c?po??y, ?c?e?y???? print ?po?o???? ???o? ?p??o ?a???o??e c?po?e.
print (??p?)
print (??e?!?)
# ??? ??e c?po?? ?o?a ???e?y? ??p? 蠫?e?!? ?a o??e????x c?po?ax
print (??p?, end=??)
print (??e?!?) # ??? ??e c?po?? ?o?a ???e?y? ??p??e?!?
print (?Pa?, ???a?, ??p?) # ???e?e? ?Pa? ??a??p?
print (?Pa?, ???a?, ??p?, sep='?? ?) # ???e?e? ?Pa砖 ??a????p?
O?pa???e ????a??e: ??a? ?=? ??ec? ?e????o???e? ???a?o?o ?p?c?a??a???, ?epe?e???x end ?sep ?e??o????e?c?.
PEP?8
?????e??c?o???y??e ?po?e?? ?o?py? ??a?a ?=?, ec?? o???c?o???ye?c? ??? o?o??a?e??? ??e?o?a??o?o ap?y?e??a.
?????pa?????o:
print (??p?, end=??)
??????
???????? ?????????
???????? ???????? ???????? ??????????? ????? ?????????: 1, 4, 9, ?, n**2, ??? n?? ????????? ????????????? ?????.
????????
??? ?????? ???????? 蠫*? ???????? ???????? ???????? ??????. ???????ࠖ 1?*, ????????堖 n?*.
?????????
???????? ??????? ???????? ????????? x ????????? f (x) = 1?/ x, ??? x ??????????? ??????????? ?????? ??1???n.
B?o?e???e ?????
A??o?a???
B???o?y ypo?e ???pacc?o?p?? ??o?e???e ?????, ?o??o?????e ?a?yc???? ???? ??y?p? ??????ec?o?o o?epa?opa. ?p??e?e? ?ec?o???o ?p??epo? ??o?e??oc?? pa???x ????o?, a??a??e ?p??e?e??e o?epa?opo? break ?continue co???o?e????? ????a??
1.?B?o?e???e ?????. ?p????? pa?o??
?ac?o ???a?? c??ya???, ?o??a o??? ??o??e ?a?op ?e?c???? ?eo?xo???o ???o????? ?ec?o???o pa? ??? ?a??o?o ?o??op???e?oc? ?e?c????. ?a?p??ep, ???y?e ?ec?o???o pa? c??a?? c?a????a??c? c??a?a?a??, ?o??a ?po?pa??a ?o?y?ae? o??o???o?a?e?? ?a???e ?o?c???a?a oc?a?o???, ??? ??o?o ?c?o???ye?c? ????. A??e?ep? ?pe?c?a???e, ??o ?oc?e ??o?a ?a???x ??? ??c?a c????? ?a?o c?e?a?? ?a??e-???o ?e?c????, ?o?op?e ?o?e ?pe?y?? ????a (?a?p??ep, ????c???? ?a??op?a?), ?o??a ?a? ?y?e? e?e o??? ????, ??y?p? ?ep?o?o.
B?o?e???e ?????
????? ?a???a??c????o?e?????(?.e. o??? ???? ?axo???c? ??y?p? ?py?o?o), ec?? ??y?p? o??o?o ????a ?o??pe?? ?a??o? ??epa??? ?eo?xo???o ???o????? ?py?o? ????. Ta? ??? ?a??o?o ????a ??e??e?o ????a ???o?????c? ?ce ????? ??y?pe??e?o ????a. Oc?o??oe ?pe?o?a??e ??? ?a??x ????o⠖ ??o????ce??e?c???? ??o?e??o?o ????a pac?o?a?a??c? ??y?p? ??e??e?o.
?p? ?c?o???o?a??? ??o?e???x ????o? c?o?? ?o?????, ??o ???e?e???, ??ece???e ??y?pe???? ????o? ??a??e-???o ?a???e, ?o?y? ?o?????? ??a???e???? ????.
?a?a??e pacc?o?p?? c?e?y??y? ?a?a?y: ?eo?xo???o ???ec?? ?c?po?y ?a????y y??o?e??? ??? ?a?a??o?o ??c?a. ?a?a?a pe?ae?c???a?:
k = int (input?())
for i?in?range (1,?10):
print (i, ?*?, k, '=?, k * i, sep=??, end='\t?)
A?ec?? ?a? ?y??o ???ec?? ?a????y y??o?e??? ??? ?cex ??ce? o?1??o?k?
O?e????o, ??o ???o? c?y?ae ?pe???y?y? ?po?pa??y ?y??o ?o??op??? k?pa?, ??e ??ec?o k??y?y? ?c?o???o?a??c? ??c?a o?1??o?k (???????e???o).
??y ?a?a?y ?o??o ?a??ca?? ??y?? ????a??, ??e ??? ?a??o?o ??a?e??? ??e??e?o ????a ?y?y? ???o?????c? ?ce ??a?e??? ??y?pe??e?o ????a.
?po?pa??a ?y?e? ??????e????a?:
k = int (input?())
for j in?range (1, k?+1):
for i?in?range (1,?10):
print (i, ?*?, j, '=?, j * i, sep=??, end='\t?)
print?()
?poa?a????pye? pa?o?y ?a??o? ?po?pa???. B??o??e??e ?po?pa??? ?a???ae?c? c???e??e?o ????a. ??epa?op j???e??e?o ????a for ?e??e? c?oe ??a?e??e o??a?a???o?o (1) ?o??o?e??o?o (k). O?pa???e ????a??e, ??o?? ???????? ??c?o k??pacc?a?p??ae??? ??a?a?o?, ??a?o?o??e ????a y?a?a?ae?c? ?po?e?y?o? o?1??o?k+1. ?a?e? ??????ec?? ???o???e?c? c?e?y??ee:
1. ?po?ep?e?c? yc?o??e?j
2. Ec?? o?o co????ae?c?, ?o????o???e?c? o?epa?op ??e?e ????a, ?.e. ???o???e?c? ??y?pe???? ????.
????epa?op i???y?pe??e?o ????a for ?y?e? ???e???? c?o? ??a?e??? o??a?a???o?o (1) ?o??o?e??o?o (10), ?e??????a??10.
?a?e? ??????ec?? ???o???e?c? c?e?y??ee:
???po?ep?e?c? yc?o??e?i?<10;
??ec?? o?o y?o??e??op?e?c?, ?o????o???e?c? o?epa?op ??e?e ????a, ?. e. o?epa?op print (i, ?*?, j, ?=?, j*i, sep=??, end=?\t?), ???o????? ?a???pa? c?po?y ?a????? y??o?e??? ?coo??e?c???? c??e?y???? ??a?e????? ?epe?e???x i??j;
???a?e? ??a?e??e ??epa?opa i???y?pe??e?o ????a y?e?????ae?c? ?a?e?????y, ?o?epa?op ??y?pe??e?o ????a for ?po?ep?e? yc?o??e?i?<10. Ec?? yc?o??e co????ae?c?, ?o????o???e?c? ?e?o ??y?pe??e?o ????a ?p? ?e???e??o? ??a?e??? ??epa?opa ??e??e?o ????a ?o??ex ?op, ?o?a ???o???e?c? yc?o??e?i?<10;
??ec?? yc?o??e?i?<10??e y?o??e??op?e?c?, ?. e. ?a? ?o???o i?c?a?e? pa?e? ??? ?o???e?10, o?epa?op ?e?a ????a ?e????o???e?c?, ??y?pe???? ???? ?a?ep?ae?c? ?y?pa??e??e ??po?pa??e ?epe?ae?c? ?a??pe?e?? o?epa?opa for ??y?pe??e?o ????a, ?. e. ???o???e?c? ?epe?o? c?po??, ????a???? ?c?o???o?a??e? ?y????? print () (c?po?a?5), a??a?e? ?o??pa?ae?c? ?o?epa?opy for ??e??e?o ????a.
3. ??a?e??e ??epa?opa ??e??e?o ????a j?y?e?????ae?c? ?a?e?????y, ??po?ep?e?c? yc?o??e?j
Ta??? o?pa?o?, ?a??p??epe ?e?a?? ?a????? y??o?e??? ?o?a?a?o, ??o ?p? ??o?e??? ????o? ??y?pe???? ???? ???o???e?c? ?o??oc??? o??a?a???o?o ?o??o?e??o?o ??a?e??? ?apa?e?pa, ?p? ?e???e??o? ??a?e??? ?apa?e?pa ??e??e?o ????a. ?a?e? ??a?e??e ?apa?e?pa ??e??e?o ????a ???e??e?c? ?a?e?????y, ?o???? o??a?a?a ??o??o??a ???o???e?c? ??o?e???? ????. Ƞ?a? ?o??ex ?op, ?o?a ??a?e??e ?apa?e?pa ??e??e?o ????a ?e?c?a?e? ?o???e ?o?e??o?o ??a?e???, o?pe?e?e??o?o ?o?epa?ope for ??e??e?o ????a.
2.??pa???ec?oe ?pe?c?a??e??e ??o?e???x ????o?
Pa?o?y ????o? ?a??e ?o??o cpa????? c??pa?e??e? c???a???x ?ec?ep??o? pa??o?o pa??epa:
B?e???? ???렖 ??o ?a??? ?o???a? ?ec?ep???a, ?a?o??? c?o? o?opo? (???o? ????a), ??e???? ???? ?ac?a???e? ?pa?a??c? ??o?e???? ???? (?e???y? ?ec?ep???y) ?ec?o???o?pa?.
O?pa???e ????a??e, ??o ?a?a? ????c?pa??? ?o??a ?c?y?ae, ec?? ??c?o ?o??opo? ??o?e??o?o ????a ?e??a??c?? o??o?o ?a?o? ??e??o (1-??, n-?? ??? ??o?) ???o? ?e?ae? ??e???? ????, a??a? ???ae? ?e??ce??a.
3.?O?epa?op break ?continue ?o ??o?e???x ????ax
Pacc?o?p?? ?py?y? ?a?a?y: ?pe?c?a???e, ??o ?eo?xo???o pac?e?a?a?? ?ce c?po?? ?a????? y??o?e??? ??? ??ce? o?1??o?10, ?po?e c?po?? ??? ??c?a?k.
To??a ?a? ?y??o ?y?e? ?po?yc???? ???o??e??e ??y?pe??e?o ????a, ?o??a ?p??e? k-a? c?po?a.
??o ?o??o c?e?a?? ?epe? o?epa?op continue, ?o?op?? ?poc?o ?pep?e? ???o??e??e ?a??o?o ????a ????a ??epe??e? ?c?e?y??e? ??epa??? ????a:
k = int (input?())
for j in?range (1,?10):
if j ==?k:
continue
for i?in?range (1,?10):
print (i, ?*?, j, '=?, j * i, sep=??, end='\t?)
print?()
Ba??o
O?pa???e ????a??e, ec?? o?epa?op break ??? continue pac?o?o?e? ??y?p? ??o?e??o?o ????a, ?o?o???e?c??ye? ??e??o ?a???o?e???? ????, a??e??a???e????. ?e???? ??c?o???? ????o?e??o?o ????a cpa?y ?a?ca??? ?epx??? ypo?e??.
A??e?ep? ?o?po?y??e ???ec?? ?c? ?a????y y??o?e??? ?po?e c?o???a?k.
Bo? e?e o??a ?po?pa??a, ?o?opa? ?c?o???ye? ??o?e???e ????? ?o?epa?op break. O?a y??? ?o???o?a?e?? ??o???? ??c?a ?a????po???? ?po?pa??a ???o???e?c? ?o??ex ?op, ?o?a ?e??y?e? ??e?e?o ??c?o ?a????po?:
print (?Tpe?a?ep ?o ??o?y ?a????po?a:?)
while True:
print (?B?e???e ??c?o ?a????po?:?)
number = n = int (input?())
reverse =?0
while n>?0:
reverse = reverse * 10?+ n %?10
n //=?10
if number == reverse:
print (?B? ??e?? ?a????po?! ?po?pa??a oc?a?o??e?a.?)
break
print (?B?e?e??oe ??c?o ?e ?a????po?, ?o?po?y??e e?e pa?.?)
??????
??????? ????????
???? ?????????, ??????? ?????????? ????? 1. ???????? n ???????, ??????? ????????? ???? ???? ???????: ?????黠? ???????? ??????? ???????? ?????????????????
(0???1???? 1???0), ???????黠? ?????? ???????. ?????? ???????? ?????????? ???????? ???????.
??????? ??????
?????? ????????? ????? ??? ?????? ????????????. ?? ?????? ??? ????? ????? ??????, ????? ?????? ?? ?????. ???? ????? ????????? ?????????, ?? ????????? ???????? ?????? ????????. ????? ??? ?????? ???????, ????? ?". ??? ????? ???, ???? ?????? ????????? ???? ???? ??????? ????????.
M?o?ec??a
A??o?a???
B???o? ypo?e ???o?cy??? ??o?ec??a Python. ??o? ??? ?a???x a?a?o???e? ?a?e?a???ec??? ??o?ec??a?, o???o??ep???ae? ??c?p?e o?epa??? ?po?ep?? ?a????? ??e?e??a ???o?ec??e, ?o?a??e??? ?y?a?e??? ??e?e??o?, a??a??e o?epa??? o??e???e???, ?epece?e??? ??????a??? ??o?ec??.
1.?O??e??? ???a?set
M???a??ca?? y?e ??o?o ?po?pa??, pa?o?a???x c??a?????, ?o???ec??o ?o?op?x ?e???ec??o ?a??o?e?? ?a??ca??? ?po?pa???. Te?ep? ???o??? ??opo?o y?e?? xpa???? ??a???? ?e???ec??oe ?a??o?e?? ?a??ca??? ?po?pa??? ?o???ec??o ?a???x. B???o? ?a? ?o?o?y? ?a? ?a???ae??e??o??e???蠖 c?e??a????e ???? ?a???x, ?o?op?e ?y?e?? xpa???? ?ec?o???o ??a?e??? ?o? o???? ??e?e?. ?ep?a? ???o??e????, c??o?opo? ????o??a?o???c?, ?a???ae?c????o?ec??o.
M?o?ec??o
M?o?ec??o?? ??o coc?a??o? ??? ?a???x, ?pe?c?a??????? co?o? ?ec?o???o ??a?e??? (??e?e??o? ??o?ec??a) ?o? o???? ??e?e?. ??o? ??? ?a???ae?c??set?? ?e?co??a?a??e, ?o?a?y?c?a, ?epe?e???e c??a??? ??e?e?! ??o?? ?a?a?? ??o?ec??o, ?y??o ????yp??x c?o??ax ?epe??c???? e?o ??e?e???.
??ec? co??ae?c? ??o?ec??o ???e??pex ??e?e??o? (?a??a??? ??e?o???a???x), ?o?opoe ?a?e? ???o???c? ?a???pa?:
mammals = {?cat?, ?dog?, ?fox?, ?elephant?}
print (mammals)
B?e???e ??o? ?o? ?Python ??a?yc???e ?po?pa??y ?ec?o???o pa?. C?opee ?ce?o, ???y?????e pa???? ?op??o? ?epe??c?e??? ??e?o???a???x?? ??o ?po?cxo??? ?o?o?y, ??o ??e?e??? ?o???o?ec??e Python ?e?y?op??o?e??. ??o ?o??o??e? ??c?po ???o????? o?epa??? ?a? ??o?ec??a??, o??o?op?x ???c?opo ?o?o?op?? ?y?? ?o??e.
Ba??o
????co??a??? ?yc??x ??o?ec??o???a?e???o ?????a????y????? set: empty = set?()
O?pa???e ????a??e: ??e?e??a?? ??o?ec??a ?o?y? ???? c?po?? ??? ??c?a. Bo????ae? ?o?poc: a??o?e??? ??o?ec??o co?ep?a?? ?c?po??, ???c?a? ?a?a??e ?o?po?ye?:
mammals_and_numbers = {?cat?, 5, ?dog?, 3, ?fox?, 12, ?elephant?,?4}
print (mammals_and_numbers)
Ka? ?????, ??o?ec??o ?o?e? co?ep?a?? ?c?po??, ???c?a, a?Python o???? ???o??? ??e?e??? ??o?ec??a ?c?y?a??o? ?op???e. ?a?e???e, ??o ec?? ?oc?a???? ??po?pa??e o?epa?op ???o?a ??o?ec??a ?a???pa? ?ec?o???o pa?, ?e????e??? ??o?ec??o, ?op??o? ???o?a ??e?e??o? ?e????e???c?.
Mo?e??? ??e?e?? ?xo???? ?o???o?ec??o ?ec?o???o pa?? ??o ???o??? c?pa??o, ?a? ?a? co?ep?e??o ?e?o????o, ?a? o??????? o??? ??e?e?? o??py?o?o. ?o??o?y ??o?ec??o co?ep??? ?a???? ??e?e?? ?o???o o??? pa?. C?e?y???? ?pa??e?? ?o?a ??o ?e?o?c?p?pye?:
birds = {?raven?, ?sparrow?, ?sparrow?, ?dove?, ?hawk?, ?falcon?}
print (birds)
Ba??o
??a?, y ??o?ec?? ec?? ?p? ????e??e oco?e??oc??:
???op??o? ??e?e??o? ?o???o?ec??e ?e?o?pe?e??.
????e?e??? ??o?ec?⠖ c?po?? ?/??? ??c?a.
??M?o?ec??o ?e??o?e? co?ep?a?? o???a?o??x ??e?e??o?.
B??o??e??e ???x ?p?x c?o?c?? ?o??o??e? op?a???o?a?? ??e?e??? ??o?ec??a ?c?py??ypy co?c?o????? ??a??oc??????, ??a?o?ap? ?o?op?? ?o??o ??c?po ?po?ep??? ?a????e ??e?e??o? ???o?ec??e, o??e?????? ??o?ec??a ??a? ?a?ee. ?o??o?a ?a?a??e o?cy??? ??? o?pa???e???.
2.?O?epa??? ?a? o???? ??o?ec??o?
?poc?e??a? o?epa????? ????c?e??e ??c?a ??e?e??o???o?ec??a. ??? ??o c?y??? ?y??????len. M??y?e ?c?pe?a??c? c???o? ?y????e? pa???e, ?o??a o?pe?e???? ????y c?po??:
my_set = {?a?, ?b?,??c?}
n = len (my_set) # =>?3
?a?ee ?o??o????ec?? ??e?e??? ??o?ec??a?c??o?o??? ?y????? print:
my_set = {?a?, ?b?,??c?}
print (my_set) # => {?b?, ?c?,??a?}
B??a?e? c?y?ae ?op??o? ?o?e? o????a??c?, ?a? ?a? ?pa???o y?op??o???a??? ??e?e??o? ?o???o?ec??e ????pae?c? c?y?a???? o?pa?o? ?p? ?a?yc?e ???ep?pe?a?opa Python.
O?e?? ?ac?o ?eo?xo???o o?o??? ?ce ??e?e??? ??o?ec??a ?????e. ??? ??o?o ?c?o???ye?c? ???? for ?o?epa?op?in, c??o?o??? ?o?op?x ?o??o ?epe?pa?? ?e??o???o ?ce ??e?e??? ??a?a?o?a (?a? ?????o ?e?a?? pa???e, ?c?o???y? range), ?o????e?e??? ??o?ec??a:
my_set = {?a?, ?b?,??c?}
for elem in?my_set:
print (elem)
?a?o? ?o? ???o???:
b
a
c
O??a?o, ?a? ???po???? pa?, ??a?e? c?y?ae ?op??o? ?o?e? o????a??c?: ?apa?ee o???e???ec?e?. Ko? ??? pa?o?? c???o?ec??a?? ?y??o ??ca?? ?a??? o?pa?o?, ??o?? o???pa?????o pa?o?a? ?p? ???o? ?op???e o?xo?a. ??? ??o?o ?a?o ??a?? ??a ?pa???a:
??Ec?? ????e????e???? ??o?ec??o, ?o??op??o? o?xo?a ??e?e??o? ?o?e ?e????e???c?.
???oc?e ???e?e??? ??o?ec??a ?op??o? ??e?e??o? ?o?e? ???e????c? ?po???o????? o?pa?o?.
??o????po?ep??? ?a????e ??e?e??a??o???o?ec??e, ?o??o ?oc?o???o?a??c? y?e ??a?o??? o?epa?opo?in:
if elem in?my_set:
print (???e?e?? ec?? ???o?ec??e?)
else:
print (???e?e??a ?e? ???o?ec??e?)
B?pa?e??e elem in?my_set ?o??pa?ae? True, ec?? ??e?e?? ec?? ?o???o?ec??e, ?False, ec?? e?o ?e?. ???epec?o, ??o ??a o?epa??? ??? ??o?ec?? ?Python ???o???e?c? ?a??pe??, ?e??a??c??ee o??o??oc?? ??o?ec??a (?o???ec??a e?o ??e?e??o?).
?o?a??e??e ??e?e??a ???o?ec??o??e?ae?c? ?p? ?o?o??add:
new_elem =??e?
my_set.add (new_elem)
add?? ??o ??o-?o ?po?e ?y?????, ??p???ee??o? ??o??pe??o?y ??o?ec??y. Ta??e ??p???ee???e ?y????? ?a???a??c???e?o?a??.
Ta??? o?pa?o?, ec?? ??o?e ?p?cy?c??ye? ??? ??o?ec??a, ?a?e? ?o??a ?e?e o??o ?a??a??e co?c?o??a??, ?o???opoe ?a??a??e?? ??? ?e?o?a. Ec?? ??e?e??, pa???? new_elem, y?e cy?ec??ye? ?o???o?ec??e, ?o?o?o ?e????e???c?, ?oc?o???y ?e??o?e? co?ep?a?? o???a?o??x ??e?e??o?. O????? ?p? ??o? ?e??po??o???. ?e?o???o? ?p??ep:
my_set = set?()
my_set.add (?a?)
my_set.add (?b?)
my_set.add (?a?)
print (my_set)
?a???? ?o? ?p? pa?a ???o?e? ?e?o? add, ??p???ee???? ???o?ec??y my_set, a??a?e? ???e?e? ???o {?a?, ?b?}, ???o {?b?, ?a?}.
C?y?a?e??e? ??e?e??a?c?o??ee. ??? ??o?o ec?? cpa?y ?p? ?e?o?a: discard?(y?a???? ?a?a???? ??e?e??, ec?? o??ec?? ?o???o?ec??e, ????e?o ?e??e?a??, ec?? e?o ?e?), remove?(y?a???? ?a?a???? ??e?e??, ec?? o??ec??, ??opo???? o????y KeyError, ec?? ?e?) ?pop. Me?o? pop y?a??e? ?e?o?op?? ??e?e?? ????o?ec??a ??o??pa?ae? e?o ?a? pe?y???a?. ?op??o? y?a?e??? ?p? ??o? ?e???ec?e?.
my_set = {?a?, ?b?,??c?}
my_set. discard (?a?) # ??a??
my_set. discard (?hello?) # ?e y?a??, o??????e?
my_set.remove (?b?) # ??a??
print (my_set) # B ??o?ec??e oc?a?c? o??? ??e?e??c?
my_set.remove (?world?) # ?e y?a??, o????a KeyError
?a??ep??? ??????, c?pa??o, ??o ec?? ?e?o? remove, ?o?op?? y?e?????ae? ?o???ec??o ??a?e??? ?a?e? ?po?pa???. O??a?o, ec?? ????a?100??po?e??o? y?epe??, ??o ??e?e?? ?o??e? ???? ???o?ec??e, ?o??y??e ?o?y???? o????y ?o??pe?? o??a??? ??c?pa?????e?, ?e? ?pa???? ?pe?? ?a??o?c?? ?p? ?e?pa?????o? pa?o?e ?po?pa???.
Me?o? pop y?a??e? ????o?ec??a c?y?a???? ??e?e?? ??o??pa?ae? e?o ??a?e??e:
my_set = {?a?, ?b?,??c?}
print (??o y?a?e???:?, my_set)
elem = my_set. pop?()
print (?y?a????? ??e?e??:?, elem)
print (??oc?e y?a?e???:?, my_set)
Pe?y???a? pa?o?? c?y?ae?, ?a?p??ep, ?a?o? ?o? ?o?e? ???ec?? c?e?y??ee:
?o y?a?e???: {?b?, ?a?,??c?}
y?a????? ??e?e??:?b
?oc?e y?a?e???: {?a?,??c?}
Ec?? ?o???a??c? ?p??e???? pop ??yc?o?y ??o?ec??y, ?po??o??? o????a KeyError.
O??c???? ??o?ec??o?o??cex ??e?e??o? ?o??o ?e?o?o?clear:
my_set.clear?()
3.?O?epa??? ?a? ??y?? ??o?ec??a??
Ec?? ?e??pe o?epa???, ?o?op?e ????yx ??o?ec?? ?e?a?? ?o?oe ??o?ec??o: o??e???e??e, ?epece?e??e, pa??oc?? ?c???e?p???a? pa??oc??.
O??e???e??e ??yx ??o?ec?? ?????ae? ?ce?? ?ce ??e?e???, ?o?op?e ec?? xo????? ?o??o? ????x. ??? ??o? o?epa??? cy?ec??ye? ?e?o?union:
union = my_set1.union (my_set2)
??? ?o??o ?c?o???o?a?? o?epa?op?|:
union = my_set1 | my_set2
?epece?e??e ??yx ??o?ec?? ?????ae? ?ce?? ?ce ??e?e???, ?o?op?e ec?? ?o?o?x ??o?ec??ax:
intersection = my_set1.intersection (my_set2)
??? a?a?o?:
intersection = my_set1 & my_set2
Pa??oc?? ??yx ??o?ec?? ?????ae? ?ce?? ?ce ??e?e???, ?o?op?e ec?? ??ep?o? ??o?ec??e, ?o??o?op?x ?e? ?o???opo?:
diff = my_set1.difference (my_set2)
??? a?a?o?:
diff = my_set1?? my_set2
C???e?p???a? pa??oc?? ??yx ??o?ec?? ?????ae? ?ce?? ?ce ??e?e???, ?o?op?e ec?? ?o???o ?o??o? ?????x ??o?ec??:
symm_diff = my_set1.symmetric_difference (my_set2)
??? a?a?o?????? ?ap?a??:
symm_diff = my_set1 ^ my_set2
???? ?ac?o ?y?a?? o?o??a?e????| ?&, ?o??o?y pe?o?e??ye?c? ??ec?o ??x ??ca?? s1.union (s2) ? s1.intersection (s2). O?epa??蠖 ?^ ?epe?y?a?? c?o??ee, ?x??o??o ?a??c??a?? ?p??o??a?.
s1 = {?a?, ?b?,??c?}
s2 = {?a?, ?c?,??d?}
union = s1.union (s2) # {?a?, ?b?, ?c?,??d?}
intersection = s1.intersection (s2) # {?a?,??c?}
diff = s1?? s2 # {?b?}
symm_diff = s1 ^ s2 # {?b?,??d?}
4.?Cpa??e??e ??o?ec??
Bce o?epa?op? cpa??e??? ??o?ec??, a???e??o ==, <,>, <=,> =, ?o??pa?a?? True, ec?? cpa??e??e ?c????o, ?False ??po????o? c?y?ae.
Ba??o
M?o?ec??a c???a??c? pa?????, ec?? o?? co?ep?a? o???a?o??e ?a?op? ??e?e??o?. Pa?e?c??o ??o?ec??, ?a? ?c?y?ae c???c?a?? ?c?po?a??, o?o??a?ae?c? o?epa?opo?==.
?epa?e?c??o ??o?ec?? o?o??a?ae?c? o?epa?opo?!=. O??pa?o?ae? ?po???o?o?o??o o?epa?opy?==.
if set1 == set2:
print (?M?o?ec??a pa????)
else:
print (?M?o?ec??a ?e pa????)
O?pa???e ????a??e ?a??o, ??o y???yx pa???x ??o?ec?? ?o?y? ???? pa???e ?op???? o?xo?a, ?a?p??ep, ??-?a ?o?o, ??o ??e?e??? ??a??oe ????x ?o?a?????c? ?pa??o? ?op???e.
Te?ep? ?epe??? ?o?epa?opa? <=,> =. O?? o??a?a?? ?????e?c? ?o???o?ec??o? 蠫????e?c? ?a???o?ec??o?.
?o???o?ec??o ??a???o?ec??o
?o???o?ec??o?? ??o ?e?o?opa? ???op?a ??e?e??o? ??o?ec??a, ?o?opa? ?o?e? ???? ?a? ?e???e ??o?ec??a, ?a? ?co??a?a?? c????, ?a???o y?a???a?? c???o?? ?
s1 = {?a?, ?b?,??c?}
print (s1 <= s1) #?True
s2 = {?a?,??b?}
print (s2 <= s1) #?True
s3 = {?a?}
print (s3 <= s1) #?True
s4 = {?a?,??z?}
print (s4 <= s1) # False
O?epa????s1
??????
??????? ?????????
???????? ??????? ????????? n*n. ????????
???????? ????? ???????? ?????????, ??????????? ?????? ????? ????????????? ????? N, ?????????? ??????? ?????????????????? ??1???N ?????????????.
1
2?3
?
??????? ?????
???????? ?????????, ??????? ??????? ??? ??????? ?????, ??????? ??????? ???????????? ?????.
C?po??. ???e?ca???
A??o?a???
?a???o? ?a????? ???y??y??? c?o? ??a??? o?c?po?ax. Te?ep? ???c?o?e? ?e??o???o c?????a?? c?po?y, ?o??pa?o?a?? c??e?, ??o? ??c?e ?e?a?? ?oc???o????? ?epe?op.
1.?C?po?a ?a? ?o??e????
?a??po??o? ?a????? ????o??a?o????c? c??o??e???e?, ?o?opa? ?a???ae?c????o?ec??o. Bc?o????, ??o oc?o??a? oco?e??oc?? ?o??e???頖 ?o??o??oc?? xpa???? ?ec?o???o ??a?e??? ?o? o???? ??e?e?. Mo??o c?a?a??, ??o ?o??e???? ????e?c???o??e??epo???? ???x ??a?e???.
?o?e?? ?o???y?e??? ??o?ec?? ???y?e ??a?? ??? ?a???x, ?o?op?? ?e?? ce?? ?o?o??o ?o??e????. ??o? ??? ?a???x?? c?po?a. ?e?c????e???o, ?e?? c?po?a ?a????ec?? ????e?c? ?oc?e?o?a?e???oc??? c???o?o?. B??e?o?op?x ????ax ?po?pa???po?a??? ec?? c?e??a????? ??? ?a???x?char, ?o??o?????? xpa???? o??? c???o?. B?Python ?a?o?o ???a ?a???x ?e?, ?o??o?y ?o??o c?a?a??, ??o c?po?a?? ??o??oc?e?o?a?e???oc?? o??oc???o????x c?po?.
2.???o ?? ??ae? o?c?po?ax
?a?a??e ?c?o????, ??o ???y?e ??ae? o?pa?o?e co?c?po?a?? ?????e Python. M??y?ee? co??a?a?? c?po?? ?e??p??? c?oco?a??: ?a?a?a?? ?a?p??y?, c?????a?? c???a??a?yp? ?y????e? input (), ?peo?pa?o???a?? ??c?o ?c?po?y ?y????e? str ?c??e??a?? ????yx ?py??x c?po? o?epa??e? +. Kpo?e ?o?o, ???y?ee? y??a?a?? ????y c?po??, ?c?o???y? ?y????? len, ??po?ep???, ????e?c???? o??a c?po?a ?ac??? ?py?o?, ?c?o???y? o?epa????in:
fixed_word = ?o?????
print (fixed_word)
word = input?()
print (word)
number =?25
number_string = str (number)
print (number_string)
word_plus_number = fixed_word + number_string
print (word_plus_number)
print (len (word_plus_number))
print (?o? in?word_plus_number)
3. ???e?ca??? ?c?po?ax
B?o?????e o???o?ec??, ?c?po?ax ?a?e? ?op??o? ??e?e??o? (c???o?o?). ?e?c????e???o, ec?? ??o?ec??a {1, 2, 3} ?{3, 2, 1}?? ??o o???a?o??e ??o?ec??a, ?o?c?po?? ?M?P? 蠫P?M??? ??o ??e co?ep?e??o pa???e c?po??. ?a????e ?op???a ?a?? ?a? ?o??o??oc?? ?po?y?epo?a?? c???o??. ?y?epa??? c???o?o? ?a???ae?c? c?0:
Ba??o
?o????e?cy ?o??o ?o?y???? coo??e?c??y???? e?y c???o? c?po??. ??? ??o?o ?y??o ?oc?e ca?o? c?po?? ?a??ca?? ???a?pa???x c?o??ax ???e?c c???o?a.
word = ??p??e?
initial_letter = word?[0]
print (initial_letter) # c?e?ae? ?o ?e, ??o print (??)
other_letter = word?[3]
print (other_letter) # c?e?ae? ?o ?e, ??o print (??)
Ec?ec??e??o, ???o? ?p??epe word c??e??e yc?exo? ?o??o ???o c???a?? c???a??a?yp? ?epe? input (). To??a ????e??o????? ?apa?ee c?a?a??, ?e?y pa??? ?epe?e???e initial_letter ?other_letter.
A???o ?y?e?, ec?? ?o???a??c? ?o?y???? ?y??y, ?o?ep ?o?opo? c????o? ?e???? B???o? c?y?ae Python ???ac? o????y:
word = ??p??e?
print (word [6]) # builtins.IndexError: string index out of?range
Ko?e??o, ?o?ep ???a?pa???x c?o??ax?? ?e?o???a?e???o ???c?po?a??oe ??c?o, ?o?opoe ?po??ca?o ?ca?o? ?po?pa??e. E?o ?o?e ?o??o c???a?? c???a??a?yp? ??? ?o?y???? ?pe?y???a?e ap???e???ec?o?o ?e?c????.
word = ??p??e?
number_of_letter = int (input ()) # ?pe??o?o???, ?o???o?a?e?? ???3
print (word [number_of_letter]) # ?o??a ?y?e? ???e?e?a ?y??a???
Ba??o
Kpo?e ??p??o? ???e?ca??? (?a???a??e?c? c?0), ?Python pa?pe?e?? o?p??a?e????e ???e?c?: word [-1] o??a?ae? ?oc?e???? c???o? c?po?? word, word [-2]?? ?pe??oc?e????, ??a? ?a?ee.
A??o??o???, ?c?o???y? ???e?ca???, ???e???? ?a?o?-???o c???o? c?po??? ?a?a??e ?po?ep??:
word = ??apo?a? # ?a??ca?? c?o?o c o????o?
word [1] = ?o? # ?po?ye? ?c?pa????,??o:
# TypeError: ?str? object does not support item assignment
Ba??o
???ep?pe?a?op Python ???a?? o????y?? ??a???, ???e???? o??e????? c???o? c?po?? ?e?o??o??o, ?.e. c?po?a o??oc??c? ??e???e??e??? ???a? ?a???x ?Python.
4. ?epe?op ??e?e??o? c?po??
B??pe???y?e? ypo?e ???y??a??, ??o ???? for ?o??o ?c?o???o?a?? ??? ?epe?opa ??e?e??o? ??o?ec??a. Ta????e o?pa?o? ?o??o ?c?o???o?a?? ???? for, ??o?? ?epe?pa?? ?ce ?y??? ?c?o?e:
text = ?hello, my dear friends!?
vowels =?0
for letter in?text:
if letter in?{?a?, ?e?, ?i?, ?o?, ?u?, ?y?}:
vowels +=?1
print (vowels)
?o, ?a? ?a? c???o?? ?c?po?e ?po?y?epo?a??, y??ac ec?? e?? o??? c?oco? ?epe?pa?? ?ce ??e?e??? ?c?po?e?? ?epe?pa?? ?ce ???e?c?, ?c?o???y? y?e ??a?o?y? ?a? ?o?c?py???? for i?in?range?(?).
text = ?hello, my dear friends!?
vowels =?0
for i?in?range (len (text)):
if text [i] in??aeiouy?:
vowels +=?1
print (vowels)
5.?Xpa?e??e ?e?c?o? ??a???? ?o?????epa
?a?a??e ?e??o?o ?o?o?op?? o??o?, ?a? c?po?? xpa???c? ??a???? ?o?????epa.
Ba??o
?oc?o???y ?o?????ep ?y?ee? xpa???? ?o???o ??o????e ??c?a, ??? ?a??c? ?e??c?o?o? ???op?a??? (?e?c?o?, ??o?pa?e???, ???eo, ?o?y?e??o?) ?p??e?a?? ??o??po?a???.
Ca??? ?poc?o? c?y?a? ?o??po?a????? co?oc?a??e??e ?o?o? ?e?c?o??? c???o?a?.
O??? ca??x pac?poc?pa?e???x ?op?a?o? ?a?o?o ?o??po?a????? ?a????a ASCII (American standard code for information interchange).
???a?a???o ???o? ?a????e ?a??o?y c???o?y ??? ?oc?a??e? ?coo??e?c???e 7-?????? ?o?, ??o ?o??o???o ??e???????po?a?? 128?pa??????x c???o?o?. B??a????e ????e??????e c???o?? c??o?a??, ?e??????32, ?a? ?a? o?? ??????c? c?y?e????? ??e??pe??a??a?e?? ??? ?e?ocpe?c??e??o?o ???o?a ?a???pa? (?po?e?, ?epe?o? c?po??, ?a?y????? ??.?.).
??o?o x?a?a?o ?a??a???c??e ?y??? o?o?x pe??c?po?, ??a?? ?pe???a??? ?c?e?c???o???? ?a?p??ep ?epe?o? c?po?? ??? pa?p?? c?pa????. ?o??e ?o? pac??p??? ?o?1??a??a, ??o ?o??o???o xpa???? y?e 256?pa??????x ??a?e???: ??a????y ?o?e?a??c? ?y??? ??opo?o a??a???a (?a?p??ep, ??p?????a) ??o?o????e????e ?pa???ec??e ??e?e??? (?ce??o?pa???a).
B??e?o?op?x o??oc??e???o ????oypo??e??x ????ax (?a?p??ep ?C) ?o??o ????o? ?o?e?? ?epe??? o??pe?c?a??e??? c?po?? ??a???? ??oc?e?o?a?e???oc?? ?a??o?, ?a???a??e?c? ?o??a?o?y-???o a?pecy.
Ce??ac o??o?a????e ?o??po??? o?o??? ?a???opo? ??a?, yc?y??? ?ec?o ????o?y.
????o?
????o䠖 ??o ?a????a, ?o?opa? co?ep??? coo??e?c???? ?e??y ??c?o? ??a???-???o ??a?o?, ?p??e? ?o???ec??o ??a?o? ?o?e? ???? ?????. ??o ?o??o??e? o??o?pe?e??o ?c?o???o?a?? ????e c???o?? ????x a??a???o?, a??a??e ?o?o????e????e ?pa???ec??e ??e?e???. Kpo?e ?o?o, ?????o?e ?a???? c???o? ?o???o ?o?a ??ee? ?e?o?op?e c?o?c??a: ?a?p??ep, ?y??a ??o ??? ???pa. ??o ?o??o??e? ?o?ee ????o pa?o?a?? c??e?c?a??.
B?????o? ?ce ?pe?? ?o?a?????c? ?o??e ??e?e???, a?ca? pa??ep ??o? ?a????? ?e?o?pa???e? ??y?e? ?o???o pac??, ?o??o?y ce??ac ?p? xpa?e??? ??a???? o??o?o ????o?-c???o?a ?o?e? ?o?pe?o?a??c? o?1??o?8??a??. O?cy?c???e o?pa???e??? ?p??e?o ??o?y, ??o c?a?? ?o??????c? c???o?? ?a??ce c?y?a? ?????. ?a?p??ep, ec?? ?ec?o???o c?e?o???o?.
??o?o ????o?e?e y???e??, ec?? ?a?epe?e:
print (?\u2603?)
B ?o?co?? y????? c?e?o???a:
>>>??
Ba??o ?o????, ??o ?ce c?po?? ?Python xpa???c? ??e??o ?a? ?oc?e?o?a?e???oc?? ????o?-c???o?o?.
Ba??o
??? ?o?o, ??o?? y??a?? ?o? ?e?o?opo?o c???o?a, cy?ec??ye? ?y??????ord?(o?order?? ?op??o?).
ord (???)
>>>?1041
Ba??o
??a? ?o?, ?ce??a ?o??o ?o?y???? coo??e?c??y???? e?y c???o?. ??? ??o?o cy?ec??ye? ?y??????chr?(o?character?? c???o?):
????chr (1041)
>>>???
?y????? ord ?chr ?ac?o pa?o?a?? ??ape. ?o?po?y??e, ?a?p??ep, ?pe??o?o????, ??o ?y?e? ???e?e?o ?a???pa? ?pe?y???a?e pa?o?? c?e?y??e? ?po?pa???:
for i?in?range (26):
print (chr (ord (?A?) +?i))
??????
????? ????????
???????? ??? ???????? ????? ??1???n ??? ?????? ???? ????? ??????? ????.
?????? ??????? ?????? ??????
???????????? ?????? n, ???? n ???????? ??????, ?? ???????? ??? ????? ?????? ?????????, ???? ???, ?? ??????? ????????? ???????????? n-?? ??????? (???? n> 7, ?? ????? ???????), ????? 2n, 3n???7n.
C?po??. Cpe??
A??o?a???
?a???o? ?a????? ????po?o???? o?pa?a???a?? ?a???? pa?o?? co?c?po?o?. A??a??e ?o??a?o???c? c??o??? ?e?o?o? ????e?e??? ?o?c?po?蠖 cpe?a??.
1.?Pa?o?a co c?po?a?? (?o??ope??e)
Pacc?o?p?? e?e o??y ?a?a?y. ???e? ?a???a?? c?ac?????? ?o-???epc??, ec?? cy??a ???p e?o ?o?epa, c?o???x ?a??????x ?ec?ax, pa??a cy??e ???p, c?o???x ?a??e?????x ?ec?ax. ?a? ?eo?xo???o ?a??ca?? ?po?pa??y, ?o?opa? o?pe?e??e? ????e?c???? ???e? c?ac?????? ?o-???epc??.
Ec?? pacc?a?p??a?? ?o?ep ???e?a ?a? c?po?y, coc?o??y? ?????p, ?o??a?a?a c?o???c? ??o?c???y cy??? ???p, c?o???x ?a??o?????x 0, 2, 4,? ?cy??? ???p, c?o???x ?a??o?????x 1, 3, 5,? ??o?? ?epe?pa?? ??e?e???, ????o?e? ?oc?o???o?a??c? ?o?c?py???e? for i?in?range (?), y?a?a? ?a? 2. To??a coo??e?c??y???? ?pa??e?? ?po?pa??? ?o?e? ??????e?? c?e?y???? o?pa?o?:
number = input?()
odd = even =?0
for i?in?range (0, len (number),?2):
odd += int (number?[i])
for i?in?range (1, len (number),?2):
even += int (number?[i])
if odd == even:
print (?C?ac?????? ?o-???epc??!?)
?o?y?a??e, ?a? ?o??o pe???? ?a??y? ?a?a?y ?a?o??? ????.
2.?Cpe?? c?po?
?a??p??epe pa?o?pa??o? ?a?a?? ???y???e??, ??o ?epe?op ??e?e??o? c?po?? c??o?o??? ?o?c?py???? for i?in?range (?) ????e?c? ?oc?a?o??o ??????: ?o??o ?epe?pa?? ?e??ce ???e?c?, ?o??o ???? c??a?o?, c?a?e?, 2???? ?a?e ?1, ?o?ec?? ?o?pa??o? ?op???e. ?o?cy?ec??ye? c?oco? ?e? ?c??o?o ????a ?peo?pa?o?a?? c?po?y ?y???? o?pa?o?: ????? o??e????? e???yco?, c???o?? c??e?e????? ?o?epa?? ??.??.???o? c?oco᠖ cpe? (slice).
Cpe? c?po??
B?ca?o? ?poc?o? ?ap?a??e?cpe? c?po?蠖 ??o e???yco? o?o??o?o ???e?ca ???????e???o ??o??py?o?o?? ?e????????e???o (?a? ??? range). To?ec?? ??o ?o?a?, ?o?ee ?opo??a? c?po?a.
Cpe? ?a??c??ae?c? c??o?o??? ??a?pa???x c?o?o?, ??o?op?x y?a???ae?c? ?a?a????? ??o?e???? ???e?c, pa??e????e ??oe?o??e?.
text = ?Hello, world!?
print (text [0:5])
print (text [7:12])
Ec?? ?e?y?a?a???a?a????? ???e?c, cpe? ?ep??c? o??a?a?a (o?0). Ec?? ?e?y?a?a???o?e???? ???e?c, cpe? ?ep??c? ?o??o??a c?po??. ?o?po?y??e ?pe??o?o????, ??o ?y?e? ???e?e?o ?a???pa?, ec?? ??pe???y?e? ?po?pa??e ?a??ca?? cpe?? c?e?y???? o?pa?o?:
text = ?Hello, world!?
print (text [:5])
print (text [7:?])
Pa?pe?e?? o?p??a?e????e ???e?c????? o?c???a c??o??a c??c?a. B?c?e?y??e? ?p??epe ??c?po??, co?ep?a?e? ?a?????, ??? ?o??ec??o, ?y?e? ????e?a??c? ?a?????.
full_name = ???a?o??.??.?
surname = full_name [:-6]
Ka? ???? range, ??apa?e?p? cpe?a ?o??o ?o?a???? ?pe??e ??c?o?? ?a? o?xo?a. ??o? ?apa?e?p ?e?????e?c? o???a?e????? ??a??c??ae?c? ?epe? ??opoe ??oe?o??e. Bo? ?a? ?o?e? ??????e?? ?po?pa??a ?c?ac?????? ???e?, ec?? pe?a?? e??c??o?o??? cpe?o?:
number = input?()
odd = even =?0
# cpe? ?y?e? o? ?a?a?a c?po?? ?o ?o??a c ?a?o? ??a: 0, 2,?4,?
for n in?number [::2]:
odd += int?(n)
# cpe? o? ??opo?o ??e?e??a c?po?? ?o ?o??a c ?a?o? ??a: 1, 3,?5,?
for n in?number [1::2]:
even += int?(n)
if odd == even:
print (?C?ac?????? ?o-???epc??!?)
?a? ?o?e? ???? ?o?p??a?e????젖 ??? ?poxo?a ?o?c?po?e ?o?pa??o? ?op???e. Ec?? ???o? c?y?ae ?e?y?a?a?? ?a?a????? ??o?e???? ???e?c cpe?a, ??? c?a?y? ?oc?e???? ??ep??? ???e?c? c?po??, coo??e?c??e??o (a??e??ao?opo?, ?a? ?p? ?o?o???e???o? ?a?e):
text = ?CE? B O?EPE ?EPE?OB??EC?
text_reversed = text [::-1]
print (text == text_reversed)
??a?, c??o?o??? ??a?pa???x c?o?o? ?o??o ?o?y???? ?oc?y? ?a? ?o??o?y c???o?y c?po??, ?a? ???e?o?opo? ?oc?e?o?a?e???oc?? c???o?o? (?p???? co?ce? ?e?o???a?e???o ??y??x ?o?p??!).
??????
?????ࠖ?1
???????????? (??? ????????? ????????????? ??????? ???????????) ?????? ?????. ??????? ????????? ????????? ?????, ????????? ?????????, ??????????? ?????? ????? ?????????????? ????? ?????????? ?????? ???????????. ???? ??, ?? ????????? ???????? ?????? (????????? ????????? ?????). ???? ??? ??????? ????????? ?????? ?????? ???????? ????? ?????????? ??????.
??????????-?
???????????? ?????? ??????, ?????????? ?????? ??????? ?????? ????? ???????? ????? ???????.
??a?o?c??o co c??c?a??
A??o?a???
B?ypo?e pacc?a?p??ae?c? ?o??? ??? ?a???x?? c??c?? (list), o?pa?e??e ???e?e??a? c??c?a ?o????e?cy (a?a?o????o c?po?a?, ?o?c??o??o??oc??? ???e?e??? ??e?e??o? c??c?a) ??e?o? append. A??a??e ?o?poc? ?epe?opa ??e?e??o? c??c?a ?cpe?o? c??c?a.
1.?C??c??
M??y?e ??ae? ??? ?a???x, ?o?op?? ?a???ae?c????o?ec??o??????e?c???o??e???e? (?o??e??epo?), ?o?ec?? ?o??o??e? xpa???? ?ec?o???o ??e?e??o? ?a???x, ???? c?po?a, ?o?op?? ?o?e o??a?ae? c?o?c??a?? ?o??e????. Ce?o??? ????o??a?o???c? c?e?? o???? ???o?-?o??e???e?, ?o?op?? ?a???ae?c??c??co?(list). ???o??a ?e?co??a?a??e ?epe?e???e c??a??? ??e?e?!
C??c??
C??c?? ??????c? o?e?? ????o? c?py??ypo? ?a???x ???po?o ?c?o???y??c? ??po?pa??ax. ?a?a??e pacc?o?p?? oc?o???e c?o?c??a c??c?a ?cpa??e??? c??e?? ?o??e??????, ?o?op?e ???y?e ??ae?:
??C??co? xpa??? ?ec?o???o ??e?e??o? ?o? o???? ??e?e? (?a? ???o?ec??o)
????e?e??? c??c?a ?o?y? ?o??op???c? (?o?????e o???o?ec??a)
????e?e??? c??c?a y?op??o?e?? ??po???e?c?po?a??, ?oc?y??a o?epa??? cpe?a (?a? ?c?po?e)
????e?e??? c??c?a ?o??o ???e???? (?o?????e o?c?po??)
????e?e??a?? c??c?a ?o?y? ???? ??a?e??? ???o?o ???a: ?e??e ??e?c????e????e ??c?a, c?po?? ??a?e ?py??e c??c??
????? ???????????????? ?????????.
????? ???????????? ??? ???????.
?????????? ??? ????? ???????, ????? ?????? ????????? ?????? (https://www.litres.ru/pages/biblio_book/?art=58858798) ?? ??????.
????????? ???????? ????? ????? ?????????? ?????? Visa, MasterCard, Maestro, ?? ????? ?????????? ????????, ? ?????????? ?????????, ? ?????? ??? ??? ???????, ????? PayPal, WebMoney, ??????.??????, QIWI ???????, ????????? ??????? ??? ?????? ??????? ??? ????????.
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