标签：python 字典 print nbsp code bsp ems for 字典 col
1.如何交换字典 {"A"：1,"B"：2}的键和值？
n = {1: "a", 2: "b"} new = {v: k for k, v in n.items()} print(new)
2.
python 字典
原文地址：https://www.cnblogs.com/newlangwen/p/12596466.html
