python3 三级菜单-基础版-- coding:utf-8 --

data = {

"北京":{

"东城区":{

"安定门":["国子监","孔庙","钟楼"],

"建国门":["金宝街","长安街","西街"],

"朝阳门":["东四","新街口","孚王府"],

},

"朝阳区":{

"和平街":["顾家庄","樱花社区","东街"],

"八里屯":["慈寿寺","定慧寺","前门"],

"三里屯":["夜店","工体","后海酒吧"],

"海淀":{

"中关村":["海龙","鼎好","科贸"],

"五道口":["清华","北大","人大"],

"航天桥":["公主坟","古城","长安街"],

}

exit_flag =False

while not exit_flag:

for i in data:

print(i)

<code>exit_flag = True</code>

<code></code>

<code><b> 本文转自Mr_chen 51CTO博客，原文链接：</b></code><b>http://blog.51cto.com/metis/2051073</b><b>，如需转载请自行联系原作者</b>