day1-作业2

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Auther:tangnanbing

dict1 = {
    "河北省":{
        "保定市":["蠡县","易县","安国县"],
        "石家庄市":["涿州县1","涿州县2","涿州县3"],
        "廊坊市":["大厂县","香河县","燕郊县"]
    },
    "山东省":{
        "德州市": ["平原县","吴桥县","东光县"],
        "青岛市": ["崂山区","李沧区","市北区"],
        "潍坊市": ["潍城区","寒亭区","安丘县"]
    },
    "山西省":{
        "太原市":["晋中县","交城县","阳曲县"],
        "忻州市":["原平县","定襄县","静乐县"],
        "朔州市":["山阴县","神池县","右玉县"]
    }
}
while True:
    print ("系统中存储的省份信息如下:")
    for provice_name in(dict1.keys()):
        print(provice_name)
    input_privice_name = input("请输入您说要查看的省:")
    if input_privice_name in (dict1.keys()):
        print("您所输入的省份下面有如下市:")
        for city_name  in (dict1[input_privice_name]):
            print (city_name) ###### 打印市
        input_city_name = input("请输入您所要查看的市:")
        if input_city_name in (dict1[input_privice_name]):
            for country_name in (dict1[input_privice_name][input_city_name]):
                print(country_name)
            print("##############信息查看完毕,回到顶层##########")
        elif input_city_name == 'Q':
            continue
        else:
            print("您所输入的市不在所选省份下面，请正确输入")
    elif input_privice_name == "Q":
        exit()
    else:
        print("您所输入的省份在系统里不存在，请重新输入:")