#!/usr/bin/env python3
# Author:Robert
# --*-- coding: utf-8 --*--
data = {
  "北京":{
    "東城區(qū)":{
      "安定門":["國子監(jiān)大街","孔廟","鐘樓"],
      "建國門":["Jinbaojie","長安街","西街"],
      "朝陽門":["東四南大街","朝陽門內(nèi)大街","孚王府"]
      },
    "朝陽區(qū)":{
      "和平街":["勝古莊社區(qū)","櫻花社區(qū)","和平東街社區(qū)"],
      "八里莊":["慈壽寺塔","定慧寺"],
      "三里屯":["798藝術(shù)區(qū)","北京工人體育館"]
    },
    "海淀":{}
  },
  '山東':{
    "德州":{},
    "青島":{},
    "濟南":{}
  },
  '廣東':{
    "東莞":{},
    "常熟":{},
    "佛山":{}
  }
}
exit_flag = False
while not exit_flag:
  for i in data:
    print(i)
  choice = input("選擇進入-->:")
  if choice in data:
    while not exit_flag:
      for i2 in data[choice]:
        print("\t",i2)
      choice2 = input("選擇進入2-->:")
      if choice2 in data[choice]:
        while not exit_flag:
          for i3 in data[choice][choice2]:
            print("\t\t",i3)
          choice3 = input("選擇進入3-->:")
          if choice3 in data[choice][choice2]:
            for i4 in data[choice][choice2][choice3]:
              print("\t\t",i4)
            choice4 = input("最后一層，按b返回-->:")
            if choice4 == "b":
              pass
            elif choice4 == "q":
              exit_flag = True
          if choice3 == "b":
            break
          elif choice4 == "q":
            exit_flag = True
      if choice2 == "b":
        break
      elif choice4 == "q":
        exit_flag = True