python实现三级菜单
#!/usr/bin/python #_*_coding:utf-8_*_map_menu = {
'河北省':{
'石家庄市':['长安区','桥西区','新华区','裕华区','井陉矿区','藁城区','鹿泉区','栾城区','赵县','平山县'],
'沧州市':['泊头市','南皮市','任丘市','青县','新华区','运河区','高新区','渤海新区','黄骅','河间','献县'],
'唐山市':['路南区','路北区','丰南区','开平区','丰润区','遵化市','迁安市','迁西县','玉田县']
},
'广东省':{
'广州市':['荔湾区','越秀区','海珠区','天河区','白云区','黄埔区','番禺区','花都区','增城区','从化区'],
'深圳市':['罗湖区','福田区','南山区','宝安区','龙岗区','盐田区','光明新区','深汕区','坪山区','龙华区'],
'珠海市':['香洲区','斗门区','金湾区','拱北区']
},
'北京省':{
'北京市':['东城区','西城区','朝阳区','海淀区','丰台区','昌平区','石景山区','大兴区','怀柔区','通州区','顺义区']
},
'辽宁省':{
'沈阳市':['和平区','沈河区','大东区','皇姑区','铁西区','苏家屯区','东陵区','沈北新区','于洪区','康平县'],
'大连市':['中山区','西岗区','沙河口区','甘井子区','旅顺口区','金州区','瓦房店市','庄河市','长海县'],
'鞍山市':['铁东区','铁西区','立山区','千山区','海城市','台安县','岫岩满族自治县']
},
'湖南省':{
'长沙市':['岳麓区','芙蓉区','天心区','开福区','雨花区','望城区','长沙县','浏阳市','宁乡市'],
'株洲市':['天元区','荷塘区','芦淞区','石峰区','醴陵市','株洲县','炎陵县','茶陵县','攸县'],
'湘潭市':['岳塘区','雨湖区','湘乡市','韶山市','湘潭县']
}
}
# 打印省份列表
province_name_list = list(map_menu.keys())
while True:
print("Province List".center(40, '-'))
# 打印省份列表
for name in province_name_list:
print(province_name_list.index(name)+1,name)
# 选择需要的省份
province_id = input('请输入与省份对应的编号,输入q退出程序. >>: ').strip()
# 选择省份序号的规则制定，不符合则告知输入对应的序号
if province_id.isdigit():
province_id = int(province_id)
if province_id > 0 and province_id <= len(province_name_list):
#根据省ID，获取对应省的名称
province_name = province_name_list
print(province_name)
# 根据省名称，获取对应的市列表
city_name_list = list(map_menu.keys())
while True:
print("City List".center(40, '-'))
# 打印市列表
for city_name in city_name_list:
print(city_name_list.index(city_name)+1,city_name)
city_id = input('请输入与市对应的编号,输入b返回上级菜单，输入q退出程序！ >>: ').strip()
if city_id.isdigit():
city_id = int(city_id)
# 判断输入city_id的内容
if city_id > 0 and city_id <= len(city_name_list):
# 根据市ID，获取市的名称
city_name = city_name_list
print(city_name)
# 获取县(区)的列表
county_name_list = map_menu
while True:
print('County List'.center(40,'-'))
# 打印县（区）列表
for county_name in county_name_list:
print(county_name_list.index(county_name)+1,county_name)
signal = input('输入b返回上一级菜单，输入q退出程序！>>: ').strip()
if signal == 'b':
break
elif signal == 'q':
exit()
else:
print('您输入的%s不存在，b返回上一级，q退出程序！' %signal)
else:
print('您输入的%s编号不存在，请输入与城市对应的编号！' %city_id)
elif city_id == 'b':
break
elif city_id == 'q':
exit()
else:
print('您输入的%s编号不存在，请输入与省对应的编号！' %province_id)
elif province_id == 'q':
exit()
else:
print('输入不合法，请重新输入！')
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