python怎么进行分数运算,Python中的分数运算,Python分数运算,Python中的分数

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Python中的分数运算,Python分数运算,Python中的分数

Python中的分数运算,在Python标准库fractions中的Fraction对象支持分数运算。具体操作如下:

在windows下,通过cmd进到dos shell,输入python3进入到python shell中。

C:\Users\Administrator>python3

Python 3.7.0b3 (v3.7.0b3:4e7efa9c6f, Mar 29 2018, 17:46:48) [MSC v.1913 32 bit (

Intel)] on win32

Type “help”, “copyright”, “credits” or “license” for more information.

>>> from fractions import Fraction

>>> x=Fraction(3,5)

>>> y=Fraction(3,9)

>>> x

Fraction(3, 5)

>>> x.numerator

3

>>> x.denominator

5

>>> x+y

Fraction(14, 15)

>>> x*y

Fraction(1, 5)

>>> x/y

Fraction(9, 5)

>>> x-y

Fraction(4, 15)

>>> x*2

Fraction(6, 5)

>>>

5cacadc93cc5b0227dba4bd3557bb890.png

Python中的分数运算