斜杠(/)运算的结果是浮点型

双斜杠(//)的输出结果是整形

Python 3.8.12 (default, Oct 12 2021, 03:01:40) [MSC v.1916 64 bit (AMD64)] :: Anaconda, Inc. on win32
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>>> 4//3
1
>>> 4/3
1.3333333333333333
>>>