摘要: task1.py print(sum) sum = 42 print(sum) def inc(n): sum = n+1 print(sum) return sum sum = inc(7) + inc(7) print(sum) line3余line11为同一变量,line1为未确定变量,作用域 阅读全文
posted @ 2022-05-10 21:39 黄海祥 阅读(29) 评论(2) 推荐(0) 编辑