python //What does it mean?
In Python " // " represents integer division.
X // Y
//The effect of the operation is the same for Python2. For point calculation, the result will still be returned in the form of a floating point number, such as -5.0 // 2, the result is -3.0:
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-5 // 2 #2.X 商:-3 余数:1 #3.X 商:-3 余数:1 #C 商:-2 余数:-1 -5.0 // 2 #2.X 商:-3.0 余数:1.0 #3.X 商:-3.0 余数:1.0 #C 商:-2.5 余数:C的取余运算不支持浮点数
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