如下所示：
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data = { "北京":{ "昌平":{"沙河":["oldboy","test"],"天通苑":["链接地产","我爱我家"]}, "朝阳":{"望京":["奔驰","陌陌"],"国贸":["CICC","HP"],"东直门":["advent","飞信"]}, "海淀":{} }, "山东":{ "德州":{}, "青岛":{}, "济南":{} }, "广东":{ "东莞":{}, "常熟":{}, "佛山":{} }}exit_flag = Falsewhile not exit_flag: for i in data: print(i) choice_s = input("请输入以上任一省或直辖市名称>>>:") if choice_s in data: while not exit_flag: for i in data[choice_s]: print("\t",i) choice_q = input("请输入以上任一市区名称>>>:") if choice_q in data[choice_s]: while not exit_flag: for i in data[choice_s][choice_q]: print("\t\t",i) choice_j = input("请输入以上任一街道名称>>>:") if choice_j in data[choice_s][choice_q]: for i in data[choice_s][choice_q][choice_j]: print("\t\t",i) last = input("最后一层，按b返回>>>:") if last == "b": pass elif last == "q": exit_flag = True if choice_j == "b": break elif choice_j == "q": exit_flag = True if choice_q == "b": break elif choice_q == "q": exit_flag = True |
要点：
1、字典的层级关系
2、break是终止本次循环，pass是什么也不做，一个占位符而已
3、巧妙使用exit_flag = False
以上这篇Python字典实现简单的三级菜单(实例讲解)就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
