Python当中int 和 floor/ceil 的区别

本文主要是介绍Python当中int 和 floor/ceil 的区别，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

floor() rounds down. int() truncates. The difference is clear when you use negative numbers:

>>> import math
>>> math.floor(-3.5)
-4
>>> int(-3.5)
-3

Rounding down on negative numbers means that they move away from 0, truncating moves them closer to 0.

Putting it differently, the floor() is always going to be lower or equal to the original. int() is going to be closer to zero or equal.

https://stackoverflow.com/questions/31036098/what-is-the-difference-between-int-and-floor-in-python-3

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