标签：python脚本
需求 省县市三级联动 用户输入河北，则打印河北省下的市，用户输入市，则显示该河北省的这个市下的县
测试信息
dic = {
"河北":{
"石家庄":["鹿泉","藁城","元氏"],
"邯郸":["永年","涉县","磁县"]
},
"河南":{
"周口":["太康","商水","淮阳"],
"郑州":["金水","二七","管城"]
},
"山西":{
"太原":["迎泽","清徐","阳曲"],
"大同":["阳高","天镇","灵丘"]
}
}
dic = {
"河北":{
"石家庄":["鹿泉","藁城","元氏"],
"邯郸":["永年","涉县","磁县"]
},
"河南":{
"周口":["太康","商水","淮阳"],
"郑州":["金水","二七","管城"]
},
"山西":{
"太原":["迎泽","清徐","阳曲"],
"大同":["阳高","天镇","灵丘"]
}
}
while True:
print(‘请在以下省份中选择：‘)
for i in dic.keys():
print(i)
pro=input(‘输入你要查询的省份(退出请按q)：‘).strip().lower()
if pro == ‘q‘:
print(‘再见！‘)
exit()
if pro not in dic.keys():
print(‘要查询的省份不存在或者你的输入有误，请重新输入‘)
continue
else:
tag=True
while tag:
print(‘%s有以下城市：‘ % pro)
for c in dic[pro].keys():
print(c)
city=input(‘请输入你要查询的城市（回到省份查找请按p，退出请按q）：‘).strip().lower()
if city == ‘q‘:
print(‘再见!‘)
exit()
if city == ‘p‘:
break
if city not in dic[pro].keys():
print(‘要查询的城市不存在或者你的输入有误，请重新输入‘)
continue
else:
while tag:
print(‘%s有以下县区‘ % city)
for cou in dic[pro][city]:
print(cou)
county=input(‘重新选择省份请按p，重新选择城市请按c，退出请按q：‘).strip().lower()
if county == ‘q‘:
print(‘再见！‘)
exit()
if county == ‘c‘:
break
if county == ‘p‘:
tag=False
break
else:
print(‘输入错误，请重新输入‘)
continue本文出自 “lyndon” 博客，请务必保留此出处http://lyndon.blog.51cto.com/11474010/1947436
标签：python脚本
原文地址：http://lyndon.blog.51cto.com/11474010/1947436
