标签：input pop you and python 爱奇艺 append else int
menu = { ‘北京‘: { ‘海淀‘: { ‘五道口‘: { ‘soho‘: {}, ‘网易‘: {}, ‘google‘: {} }, ‘中关村‘: { ‘爱奇艺‘: {}, ‘汽车之家‘: {}, ‘youku‘: {}, }, ‘上地‘: { ‘百度‘: {}, }, }, ‘昌平‘: { ‘沙河‘: { ‘老男孩‘: {}, ‘北航‘: {}, }, ‘天通苑‘: {}, ‘回龙观‘: {}, }, ‘朝阳‘: {}, ‘东城‘: {}, }, ‘上海‘: { ‘闵行‘: { "人民广场": { ‘炸鸡店‘: {} } }, ‘闸北‘: { ‘火车战‘: { ‘携程‘: {} } }, ‘浦东‘: {}, }, ‘山东‘: {}, } def threeLM(dic): while True: for k in dic:print(k) key = input(‘input>>‘).strip() if key == ‘b‘ or key == ‘q‘:return key elif key in dic.keys() and dic[key]: ret = threeLM(dic[key]) if ret == ‘q‘: return ‘q‘ # elif (not dic.get(key)) or (not dic[key]): #最后两行可以不要 # continue threeLM(menu) # 递归函数实现三级菜单
menu = { ‘北京‘: { ‘海淀‘: { ‘五道口‘: { ‘soho‘: {}, ‘网易‘: {}, ‘google‘: {} }, ‘中关村‘: { ‘爱奇艺‘: {}, ‘汽车之家‘: {}, ‘youku‘: {}, }, ‘上地‘: { ‘百度‘: {}, }, }, ‘昌平‘: { ‘沙河‘: { ‘老男孩‘: {}, ‘北航‘: {}, }, ‘天通苑‘: {}, ‘回龙观‘: {}, }, ‘朝阳‘: {}, ‘东城‘: {}, }, ‘上海‘: { ‘闵行‘: { "人民广场": { ‘炸鸡店‘: {} } }, ‘闸北‘: { ‘火车战‘: { ‘携程‘: {} } }, ‘浦东‘: {}, }, ‘山东‘: {}, } l = [menu] while l: #dic = l.pop() for key in l[-1]:print(key) k = input(‘input>>>‘).strip() if k in l[-1].keys() and l[-1][k]: l.append(l[-1][k]) elif k == ‘b‘: l.pop() elif k == ‘q‘: break else:continue
标签：input pop you and python 爱奇艺 append else int
原文地址：https://www.cnblogs.com/LXL616/p/10776952.html
