@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)