58.md

@author jackzhenguo
@desc 
@date 2019/3/23

58 operator使用举例

from operator import (add, sub)


def add_or_sub(a, b, oper):
    return (add if oper == '+' else sub)(a, b)


add_or_sub(1, 2, '-')  # -1

[上一个例子](57.md) [下一个例子](59.md)