Python字典练习题

有字典 dic = {"k1": "v1", "k2": "v2", "k3": "v3"}，实现以下功能：

　　1、遍历字典 dic 中所有的key

　　参考答案：

#!-*- coding:utf-8 -*-

dic = {"k1": "v1", "k2": "v2", "k3": "v3"}

for k in dic.keys():
    print(k)

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