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peroon/len(a_list) == 0とは書かない.py

Created January 16, 2017 04:24
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len(a_list) == 0とは書かない.py
list0 = []
list1 = [1,2,3]
if list0:
print 'list0' #長さ0なのでFalse扱いで実行されない
if list1:
print 'list1'
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