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': {
'火车站': {
'携程': {}
}
},
'浦东': {},
},
'山东': {},
}
last_menu = []
current_menu = menu
while True:
for key in current_menu:
print(key)
choice = input(">:").strip()
if not choice: continue
if choice in current_menu:
last_menu.append(current_menu)
current_menu = current_menu[choice]
if choice == "q":
if last_menu:
current_menu = last_menu.pop()
else:
print("已经是最顶层")
if choice == "Q":
current_menu = menu
最多再加个输入错误重新输入。 最多也就这点代码。