标签:while inpu for 学习 and 最新 strip 北京 not
name = { ‘北京‘: { ‘朝阳区‘: { ‘望京‘: [‘cc‘, ‘大众‘], ‘国贸‘: [‘宝马‘, ‘奔驰‘], ‘东直门‘: [‘保洁‘, ‘业务‘], }, ‘海淀区‘: { }, ‘昌平区‘: { ‘沙河‘: [‘默默‘, ‘qq‘], ‘天通苑‘: [‘tim‘, ‘time‘], }, }, ‘安徽‘: {}, ‘湖南‘: {}, } var1 = 1 while var1: for i in name: print(i) print(‘‘‘------温馨提示------ 退出请按"q", 返回上一级请按"b", 返回首页请按"h" --------------------‘‘‘) while True: city_choose = input("选择1>>>") if city_choose in name: var2 = 1 while var2: for i2 in name[city_choose]: print(‘\t‘, i2) city_choose1 = input("选择2>>>") if city_choose1 in name[city_choose]: var3 = 1 while var3: for i3 in name[city_choose][city_choose1]: print(‘\t\t‘, i3) city_choose2 = input(‘选择我3>>>‘) if city_choose2 in name[city_choose][city_choose1]: var4 = 1 while var4: for i4 in name[city_choose][city_choose1][city_choose2]: print(‘\t\t\t‘, i4) while True: chosee = input(‘已到最后一层,输入你的选择>>>‘) if chosee == ‘q‘: exit() elif chosee == ‘b‘: var4 = 0 break elif chosee == ‘h‘: var2 = var3 = var4 = 0 break else: print(‘输入错误请重新输入:‘) if city_choose2 == ‘q‘: exit() elif city_choose2 == ‘b‘: var3 = 0 print(‘--------‘) elif city_choose2 == ‘h‘: var3 = var2 = 0 print(‘--------‘) for i in name: print(i) if city_choose1 == ‘q‘: exit() elif city_choose1 == ‘b‘: var2 = 0 print(‘--------‘) for i in name: print(i) elif city_choose1 == ‘h‘: var2 = 0 print(‘--------‘) for i in name: print(i) if city_choose == ‘q‘: exit() elif city_choose == ‘b‘: print(‘已经是第一层,请重新选择‘) print(‘--------‘) for i in name: print(i) elif city_choose == ‘h‘: print(‘已经是第一层,请重新选择‘) print(‘--------‘) for i in name: print(i)
menu = { ‘北京‘: { ‘海淀‘: { ‘五道口‘: { ‘soho‘: {}, ‘网易‘: {}, ‘google‘: {} }, ‘中关村‘: {}, ‘上地‘: {}, }, ‘昌平‘: {}, ‘朝阳‘: {}, ‘东城‘: {}, }, ‘安徽‘: {}, ‘湖南‘: {}, } def three_menu(dic): while True: for city in dic: print(city) choose = input(">>>").strip() if choose == ‘b‘ or choose == ‘q‘: return choose elif choose in dic.keys() and dic[choose]: ret = three_menu(dic[choose]) if ret == ‘q‘: return ‘q‘ three_menu(menu)
menu = { ‘北京‘: { ‘海淀‘: { ‘五道口‘: { ‘soho‘: {}, ‘网易‘: {}, ‘google‘: {} }, ‘中关村‘: {}, ‘上地‘: {}, }, ‘昌平‘: {}, ‘朝阳‘: {}, ‘东城‘: {}, }, ‘安徽‘: {}, ‘湖南‘: {}, } l = [menu] while True: if not l: # 如果列表为空就直接退出 break for city in l[-1]: # 显示最后一个元素的内容 print(city) choose = input(">>>").strip() if choose == ‘b‘: l.pop() # 要显示上一层信息就要把这一层信息从列表中删除,每次显示的信息都是最后一个元素 elif choose.lower() == ‘q‘: break elif choose in l[-1].keys() and l[-1][choose]: l.append(l[-1][choose]) # 把最新的内容加到列表最后面
标签:while inpu for 学习 and 最新 strip 北京 not
原文地址:https://www.cnblogs.com/yang-China/p/9229920.html