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????????????v???O?????̒??ŕ?????o?Ă???Ƃ????Ă???܂???ˁB??????1?ɂ܂Ƃ߂?????̂Ȃ?܂Ƃ߂ăX?b?L?????????Ǝv???̂??v???O???}?[?̐??i?????j?ł??B?ǂ?????A?܂Ƃ߂???̂??A?l???Ă݂܂??傤?B????????????1????Ȃ??H
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?y???z
?@?ȉ??̓??[?U?[?̓??͂????A???ꂪ???l???????Ƃ??ɂ͂?????悵???l??\??????v???O?????ł???B???̃R?[?h?ŋC?ɂȂ?̂́unum = input('Enter a number: ')?v?s??2?J???ɏ?????Ă???_???B?????1?s?ōς܂???ɂ͂ǂ?????悢???낤?B???????A??????1?Ƃ͌???Ȃ??B
num = input('Enter a number: ')
while num: # ?????͂??ꂽ??I??
if num.isdigit():
num = int(num)
print(num ** 2)
num = input('Enter a number: ')
?@2?T?ԂԂ?̂????????ł??BPython?N?C?Y?̂????Ԃ?????Ă܂???܂????B??[?A??????Ⴂ?܂????B?u?ւȂ??傱Pythonista?v?́u?ւȂ??傱?v???Ղ肪????????Ă??܂??A???̖??B
?@??????1????Ȃ????ăN?C?Y?Ƃ??Ă͂ǂ??Ȃ́H?@?Ƃ???????????????ł??傤?B???????A?ŏ??͐?????1?????̂???Ŗ????l???Ă????̂ł????A?ҏW??c?̓r???Łu??????ă\???ł????????ˁH?v?ƌ?????܂ŁA?S???????ă\???̂??Ƃ??v???o?????ɂ????̂ł??B
?@??????1?ɂȂ?悤?ɖ?蕶?Ő??????邱?Ƃ??l???܂??????APython?̊??????ĕ????̒l??Ԃ????ł??i?^?v???Ƃ??āj?B????????APython?N?C?Y?ɐ??????????????????Ă???????Ȃ??ł????B????????????A???̋L???ŏ????Ă???ȊO?̂????????邩??????܂???BHP???킳???̃A?J?E???g??X?i??Twitter?j?ɍ?????̂ŁA????Ȃ????????????ĕ??͂?????܂ł??m?点?????????ˁB????Ȗ??ǂ???Ƃ??A?J???^????????Ƃ??A???낢??Ȃ??ӌ??????҂????Ă??܂??B
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?@?ȉ????????i????1?j?̃R?[?h??ł??B
while num := input('Enter a number: '):
if num.isdigit():
num = int(num)
print(num ** 2)
?@???̃R?[?h??ł́u??????v???g?????Ƃ?while???[?v?̏??????Ń??[?U?[?̓??͂????Ɠ????ɂ??ꂪ????łȂ????ǂ????f????悤?ɂȂ??Ă??܂??B????ɂ??Awhile???[?v?ɓ???O?ɕK?v??????input???Ăяo???ƁAwhile???[?v?̍Ō?ɂ?????input???Ăяo????1?ɂ܂Ƃ߂?ꂽ?Ƃ????킯?ł??B
?@?????āA?????i????2?j?̃R?[?h?Ⴊ?ȉ??ł??B
while True:
num = input('Enter a number: ')
if num == '': # ?uif not num:?v?ł???
break
if num.isdigit():
num = int(num)
print(num ** 2)
?@??????̃R?[?h??ł?while???̏???????True?Ƃ??邱?ƂŁA?u???????[?v?v???`?????Ă??܂??B?????āA???????[?v?̃R?[?h?u???b?N?̐擪?Ń??[?U?[???͂??t???āA???ꂪ????Ȃ疳?????[?v???I?????A?????łȂ???Γ??͂??????݂̂̏ꍇ?ɓ?悵???l??\??????悤?ɂȂ??Ă??܂??B
?@?X?b?L???????c?c?H
?@?X?b?L?????????ǂ????͂Ƃ??????Ƃ??āA?ȉ??ł͑?????Ɩ??????[?v?ɂ??ăJ???^???ɉ?????Ă????܂??傤?B
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?@????????g???ƁA?u????????????Ȃ??ꏊ?v?ŕϐ??ɑ???ł???悤?ɂȂ?܂??iPython 3.8?Œlj??j?B??????Ƃ͋?ʂ??邽?߂ɁA??????ł́u:=?v???Z?q???g???܂??i90?x?E?ɉ?]????ƃZ?C?E?`?̖ڂƉ?̂悤?Ɍ????邽?߁A?Z?C?E?`???Z?q?Ƃ??A?E?H?????X???Z?q?AWalrus???Z?q?ȂǂƌĂ?܂??j?B
?@Python?̃v???O?????R?[?h?͕??Ǝ??ō\??????Ă??āA??????????Ƃ???ɂ͎????????܂????i??????u?????v?ƌĂт܂??j?A???????????Ȃ??Ƃ???ɕ??͏????܂???B??????Python?ł́A?ϐ??ւ̑???͒ʏ?͑???????g???܂??B???̂??߁APython 3.8?ő???????????????܂ł͎??????????Ȃ??Ƃ???ő???͂ł??܂???ł????B?????āA???????????Ȃ??ꏊ?̑?\?Ⴊ???ɂ?????while???̏????ł??iif???ł????l?ł??j?B
?@??????̓Z?C?E?`???Z?q?̉E?ӂɂ??鎮?̌??ʂ????̒l?Ƃ??܂??B?Ⴆ?A??̃R?[?h?́unum := input('Enter number: ')?v?Ƃ??????????input?????Ăяo???????ʁi???[?U?[????̕?????̓??́j??ϐ?num?ɑ??????ƂƂ??ɁA????????̒l?Ƃ??ĕԂ??܂??B???[?U?[???????̃e?L?X?g????͂??āmEnter?n?L?[???????A???̕?????????̒l?ł??B???????͂????ɁmEnter?n?L?[??????????????????̒l?ɂȂ?܂??B?????False?Ƃ??āA????ȊO?̕??????True?Ƃ??Ĕ??肳???̂ŁAwhile???̏????Ƃ??Ă??܂???????悤?ɂȂ??Ă??܂??B
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?@?Ȃ??A??????̗D?揇?ʂ͈?ԒႢ???Ƃɂ͒??ӂ??Ă????????B?ȉ??̓??[?U?[??'END'?Ɠ??͂????Ƃ??ȊO??while???[?v???p??????悤?ɏ?̃R?[?h???C???????i????́j?R?[?h?ł??B
while num := input('Enter a number: ') != 'END':
if num.isdigit():
num = int(num)
print(num ** 2)
?@?ȉ??͂??̃R?[?h?????s???A?v?????v?g?Ɂu10?v????͂????Ƃ???ł??B
?@AttributeError??O?????????Ă??܂??B????͍????q?ׂ??ʂ?A??????̗D?揇?ʂ???ԒႢ?̂Łunum := input('Enter number: ') != 'END'?v?Ƃ??????ɂ????āu:=?v???Z?q?̉E???ɂ???uinput('Enter number: ') != 'END'?v?S?̂̕]?????ʂ??ϐ?num?ɑ??????Ă??邩??ł??B
?@??̓I?ɂ́Ainput???Ń??[?U?[???͂????A???ꂪ'10'?Ȃ̂ŁA?u'10' != 'END'?v?Ƃ?????r???s???āA???̌??ʂł???True???ϐ?num?̒l?ƂȂ?܂??BTrue??bool?^?̃I?u?W?F?N?g?ł????ĕ?????ł͂Ȃ??̂ŁBisdigit???\?b?h??????܂???B???̂??߂ɁAAttributeError??O???????????̂ł??BAttributeError??O?̃??b?Z?[?W???悭?ǂނƁubool?^?̃I?u?W?F?N?g?ɂ?isdigit?Ƃ????????͂Ȃ??v?Ə????Ă??邱?Ƃ???????̂??Ƃ???????ł??傤?B
?@????āA???̃R?[?h?͎??̂悤?ɏ????̂??????ɂȂ?܂??B
while (num := input('Enter a number: ')) != 'END':
if num.isdigit():
num = int(num)
print(num ** 2)
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?@???̂悤?ɁA????????g???ۂɂ́A???\?ȕp?x?ł???????????ň͂ޕK?v??????܂??B?t?ɑ?????̎g?p???X?}?[?g?ł???ӏ??ł́A?????????Ɏg???K?v???Ȃ????Ƃ?????܂??B???܂??g???āA?Ȍ??œǂ݂₷???R?[?h????????悤?ɂ??܂??傤?B
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?@???????[?v?Ƃ́A?Ⴆ??while???̏???????ɐ^?Ƃ??邱?ƂŁA???܂ł??I???Ȃ??悤?ɂȂ??Ă??郋?[?v?̂??Ƃł??B?ȉ??ɓ????i????2?j?̃R?[?h????Čf???܂??B???̃R?[?h?ł͏??????_?C???N?g?ɁuTrue?v?Ƃ??Ă??܂??B
while True:
num = input('Enter a number: ')
if num == '': # ?uif not num:?v?ł???
break
if num.isdigit():
num = int(num)
print(num ** 2)
?@???????[?v?Ƃ????Ă??A???܂ł????[?v?𑱂???킯?ɂ͂????܂???B?????ŁA?????ł̓??[?U?[???mEnter?n?L?[???????????āA?????͂??ꂽ?Ƃ??ɂ̓??[?v???I??????悤?ɂ??Ă??܂??B?R?[?h?̍s?????????Ă???̂ŁA?X?b?L???????悤?ȃX?b?L?????Ă??Ȃ??悤?ȋC?????邩??????܂???B?ł??A?s?????????????A???????????̂????v???O?????R?[?h?Ƃ??Ė??m?ɋL?q????Ă??āA????????g?????R?[?h??????????₷???Ȃ??Ă???Ɗ?????l??????ł??傤?B
?@????????g?????@?Ɩ??????[?v???g?????@?B?ǂ??炪?悢???̔??f?͕M?҂ɂ͂??܂???B?Ȍ??ȋL?q?????D?݂Ȃ????????g???ł??傤?B?????????Ȃ??Ă??v???O?????̈Ӑ}?m?ɂ???????Ζ??????[?v???g???ł??傤?B
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?@?Ȃ??A??????ɂ??ẮuPython?????v?́uif???ɂ??????????v?Ő??????Ă??܂??B???????[?v?ɂ??ẮuPython????v?́uwhile???ɂ??J??Ԃ??????v??u?????IPython?v?́uwhile????for???Ŗ??????[?v???L?q????ɂ??v?Ő??????Ă??܂??B?????̂?????͂?????????Гǂ?ł????????ˁB
?uPython?X?e?b?v?A?b?v?N?C?Y?v
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