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[python/zh-cn] Empty tuple is also False (#4297)

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Harukawa Sayaka 2022-01-02 20:04:14 +08:00 committed by GitHub
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@ -129,12 +129,13 @@ None # => None
"etc" is None # => False "etc" is None # => False
None is None # => True None is None # => True
# None，0，空字符串，空列表，空字典都算是False # None，0，空字符串，空列表，空字典，空元组都算是False
# 所有其他值都是True # 所有其他值都是True
bool(0) # => False bool(0) # => False
bool("") # => False bool("") # => False
bool([]) # => False bool([]) # => False
bool({}) # => False bool({}) # => False
bool(()) # => False
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