摘要: 1.import operatoraction = { "+": operator.add, "-": operator.sub, "/": operator.truediv, "*": operator.mul, "**": pow}print(action['-'](50, 25)) # 25 阅读全文
posted @ 2020-08-25 11:12 kitiz 阅读(98) 评论(0) 推荐(0)