python中的除法

发布时间:2019-04-28  栏目:Python  评论:0 Comments

python二和python三除法的最大分别:

Python上将八个整数相除,私下认可结果是为整数的。但大家能够透过上边包车型客车方法,使得三个整数相除的结果为小数。

python2:

图片 1from __future__ import division
图片 2
图片 3print 7/3

print 500/1000

出口结果:

python2结果:取整数部分,小数并不曾保存

2.3333333333

0

Process finished with exit code 0

 

python3:

print 500/1000

python3结果:赚取实际结果,小数保留

0.5

Process finished with exit code 0

 

那么,尽管python二想保留小数部分,要如何做吧?

只必要增添一个导入包.就能够了.并不供给其它操作

from __future__ import division #用于/相除的时候,保留真实结果.小数

 

日增导入包后的,python2操作:

#coding:utf-8
from __future__ import division

print 500/1000

结果:

0.5

Process finished with exit code 0

 

再有另一种方式.将除数或被除数三个其余至少二个转移成float型:

print float(500)/1000

结果:

0.5

Process finished with exit code 0

 

 

 

 

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