-- 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)
代码语言：javascript复制choice = input("选择1")
if choice in data:
while not exit_flag:
for i2 in data[choice]:
print("t",i2)
choice2 = input("选择2")
if choice2 in data[choice]:
while not exit_flag:
for i3 in data[choice][choice2]:
print("tt",i3)
choice3 = input("选择3")
if choice3 in data[choice][choice2]:
for i4 in data[choice][choice2][choice3]:
print("ttt",i4)
choice4 = input("最后一层，按b返回")
if choice4 == "b":
pass
elif choice4 == "q":
exit_flag = True
if choice3 == "b":
break
elif choice3 == "q":
exit_flag = True
if choice2 == "b":
break
elif choice2 == "q":
exit_flag = True
