摘要: #计算器def add(x,y): return x+ydef minus(x,y): return x-ydef mult(x,y): return x*ydef divi(x,y): return x/ydef get_on(s): if s=='加'or s=='+': return add 阅读全文
posted @ 2018-12-20 23:23 把错误挂在墙上 阅读(397) 评论(0) 推荐(0)