#实现省市级的三级菜单
#!/user/bin/env python
citys={"广东省":{"广州市":["番禺区","天河区","白云区"],
"深圳市":["南山区","宝安区","罗湖区"],
"惠州市":["惠东","惠阳","淡水"]},
"湖南省":{"武汉":["黄鹤楼","户部巷","东湖"],
"宜昌":["三峡大坝","葛洲坝","西峡"],
"恩施":["神农溪","恩施土司城","女儿城"]},
"河北省":{"北京":["故宫","天安门","八达岭"],
"太原":["晋祠","柳巷","圣母殿"],
"石家庄":["赵州桥","隆兴寺","西柏波"]}}
print(citys["广东省"]["广州市"])
while True:
for a in citys.keys():
print(a)
city=input("请输入需要了解的城市:")
if city in citys and city=="广东省":
for b in citys[city].keys():
print(b)
area = input("请输入需要了解的区域:")
if area in citys[city] and area == "广州市":
for b in citys[city][area]:
print(b)
turn = input("按任意键返回上一层,按q退出程序")
if turn == "q":
break
else:
continue
上面的代码实现的只是简单而繁琐的一种,后面的代码会一直重复,因此并没有写下去,后面的是我看视频附带的代码,我也附上,较我写的完整一些
data = {
'北京':{
"昌平":{
"沙河":["oldboy","test"],
"天通苑":["链家地产","我爱我家"]
},
"朝阳":{
"望京":["奔驰","陌陌"],
"国贸":{"CICC","HP"},
"东直门":{"Advent","飞信"},
},
"海淀":{},
},
'山东':{
"德州":{},
"青岛":{},
"济南":{}
},
'广东':{
"东莞":{},
"常熟":{},
"佛山":{},
},
}
exit_flag = False
while not exit_flag:
for i in data:
print(i)
choice = input("选择进入1>>:")
if choice in data:
while not exit_flag:
for i2 in data[choice]:
print("\t",i2)
choice2 = input("选择进入2>>:")
if choice2 in data[choice]:
while not exit_flag:
for i3 in data[choice][choice2]:
print("\t\t", i3)
choice3 = input("选择进入3>>:")
if choice3 in data[choice][choice2]:
for i4 in data[choice][choice2][choice3]:
print("\t\t",i4)
choice4 = input("最后一层,按b返回>>:")
if choice4 == "b":
pass
elif choice4 == "q":
exit_flag = True
if choice3 == "b":
break
elif choice3 == "q":
exit_flag = True
if choice2 == "b":
break
elif choice2 == "q":
exit_flag = True
今天 2017/08/22,突然发现昨天的程序可以进行优化,可以实现每个省市级都进行选择
#实现省市级的三级菜单
#!/user/bin/env python
citys={"广东省":{"广州市":["番禺区","天河区","白云区"],
"深圳市":["南山区","宝安区","罗湖区"],
"惠州市":["惠东","惠阳","淡水"]},
"湖南省":{"武汉":["黄鹤楼","户部巷","东湖"],
"宜昌":["三峡大坝","葛洲坝","西峡"],
"恩施":["神农溪","恩施土司城","女儿城"]},
"河北省":{"北京":["故宫","天安门","八达岭"],
"太原":["晋祠","