該樓層疑似違規已被系統摺疊 隱藏此樓檢視此樓
**：**：
dic_china = {
"直轄市":{
"北京市":["東城區","西城區","崇文區","宣武區","朝陽區","海淀區","豐台區",
"石景山區","門頭溝區","房山區","通州區","順義區","昌平區","大興區",
"懷柔區","平谷區","延慶縣","密雲縣",],
"省":{
"浙江省":{
"杭州市":["拱墅區","上城區","下城區","江乾區","西湖區","濱江區","蕭山區","餘杭區","建德市","富陽市",
"臨安市","桐廬縣","淳安縣"],
"寧波市":["海曙區","江東區","江北區","北侖區","鎮海區","鄞州區","余姚市","慈溪市","奉化市","象山縣",
"寧海縣"],
"溫州市":["鹿城區","龍灣區","甌海區","瑞安市","樂清市","洞頭縣","永嘉縣","平陽縣","蒼南縣","文成縣",
"泰順縣"],
"嘉興市":["南湖區","秀洲區","海寧市","平湖市","桐鄉市","嘉善縣","海鹽縣"],
"湖州市":["吳興區","南潯區","德清縣","長興縣","安吉縣"],
"紹興市":["越城區","諸暨市","上虞市","嵊州市","紹興縣","新昌縣"],
"金華市":["婺城區","金東區","蘭溪市","義烏市","東陽市","永康市","武義縣","浦江縣","磐安縣"],
print('歡迎使用中國省市查詢工具'.center(30,'-'))
while true:
#---------遍歷字典china，並編號輸出城市分類資訊------
for i,j in enumerate(dic_china,1):
print(i,j)
classify_num = input('請選擇想要檢視的城市分類的編號[退出：q]：')
#---------判斷輸入編號是否正確----------
if classify_num.isdigit():
classify_num = int(classify_num)
if 1 <= classify_num <= len(dic_china):
#---------將客戶選擇的類別的城市資訊存入新的字典中----------
province_municipality_list = list(dic_china.keys())
#---------判斷客戶是選擇額直轄市類-------
if province_municipality_list[classify_num-1] == '直轄市':
dic_municipality = dic_china[province_municipality_list[classify_num-1]]
print(''.center(50, '-'))
for i, j in enumerate(dic_municipality, 1):
print(i, j)
#---------判斷輸入編號是否正確----------
if municipality_num.isdigit():
municipality_num = int(municipality_num)
if 1 <= municipality_num <= len(dic_municipality):
municipality_list = list(dic_municipality.keys())
county_list = dic_municipality[municipality_list[municipality_num-1]]
print('以下是該直轄市下所有區的資訊：')
print(county_list)
elif municipality_num.upper() == 'q':
print(''.center(50,'-'))
else:
print('輸入錯誤，請重新輸入！！')
else:
dic_province = dic_china[province_municipality_list[classify_num-1]]
print(''.center(50, '-'))
#---------遍歷字典dic_province，並編號輸出省級城市資訊---------
for i, j in enumerate(dic_province, 1):
print(i, j)
# ---------判斷輸入編號是否正確----------
if province_num.isdigit():
province_num = int(province_num)
if 1<= province_num <= len(dic_province):
# ---------將客戶選擇的市資訊存入新的字典中----------
province_list = list(dic_province.keys())
dic_city = dic_province[province_list[province_num-1]]
print(''.center(50, '-'))
for i, j in enumerate(dic_city, 1):
print(i, j)
if city_num.isdigit():
city_num = int(city_num)
if 1 <= city_num <= len(dic_city):
city_list = list(dic_city.key())---------------------------->問題在這！！！！！！！！！！！！！
elif province_num.upper() == 'q':
print(''.center(50,'-'))
else:
print('輸入錯誤，請重新輸入！！')
else:
print('輸入的編號不在城市分類的編號範圍內，請重新輸入！！')
elif classify_num.upper() == 'q':
else:
print('輸入錯誤，請重新輸入！！')
問題：**中標紅的位置，查詢字典dic_city的key值存入city_list列表中，但是key方法無法使用，
求大神們給我解答下
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