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python3.0:python3.0 字典key排序

IDLE 3.0 >>> dic = {"aa":1,"bb":2,"ab":3} >>> dic {'aa': 1, 'ab': 3, 'bb': 2} >>> for k in sorted(dic.keys): pr (k) aa ab ----------------------------------------------- 字典对象其实就是键-值对 下面是字典对象添加修改删除 (修改和添加思路方法相同当key值不存在时候添加) >>> dic["cc"] = 4 >>> dic {'aa [阅读全文] [PDF]