首页 > 代码库 > python 三级菜单 while循环三次,湖北省市-县-街道的选择,3个while的循环 -day2
python 三级菜单 while循环三次,湖北省市-县-街道的选择,3个while的循环 -day2
python编写一个三级while的循环菜单
1.定义字典,字典里面嵌套字典,内嵌字典的值为列表。
思路:
湖北省的市:字典中的
定义3个字典,用于存储
{序列-键:市名}
shiqu_dir = {}
{序列-键:县}
xian_dir ={}
{序列-键:街道}
jiedao_dir = {}
函数将序列和键一一对应。
for number,key in enumerate(Hbei_map.keys()) 获取序列键和市名存储到 市名字典
用一个列表 chose = [] 来存储所选择的市--县程-街道
chose[0],chose[1],chose[2]最后使用切片返回
中间输入全部使用的判断方式for循环: for k,v in xxx.items():
if input == k:
让用户只能输入序列中的数字。使用判断语句:
if int(input) not in 字典.keys():
print("您输入了非法的序列,请输入一下序列 {}".format(shiqu_list))
# -*- coding: utf-8 -*- __author__ = ‘hujianli‘ import sys Hbei_map = { "武汉市":{ "江岸区":["上海街","大智街","一元街","车站街","四唯街","永清街","球场街","西马街","台北街","劳动街","花桥街","后湖街","谌家矶街"], "硚口区":["易家墩街道","韩家墩街道","宗关街道","汉水桥街道","宝丰街道","荣华街道","崇仁街道","汉中街道"], "武昌区":["积玉桥街道","杨园街道","徐家棚街道","新河街道"] }, "荆州市":{ "沙市区":["黄石港","崇文街道","解放路街道"], "荆州区":["城南街道","西城街道","东城街道","马山镇","川店镇"], "松滋市":["新江口镇","南海镇","八宝镇","陈店镇"], "公安县":["斗湖堤镇","埠河镇","杨家厂镇","斑竹垱镇"], "监利县":["容城镇","白螺镇","朱河镇"] }, "孝感市":{ "孝南区":["肖港镇","书院街道","车站街道","新华街道"], "应城市":["城中街道","城北街道","杨河镇","三合镇"], "安陆市":["李店镇","巡店镇","雷公镇","陈店乡"], }, } # print(Hbei_map["孝感市"]["应城市"]) shiqu_dir = {} xian_dir ={} jiedao_dir = {} def jiance(name): if len(name) == 0: sys.exit("\033[31;1m选择不能为空,清重新输入~~\033[0m") elif shiqu == "quit" or shiqu == "exit": sys.exit("\033[31;1m 退出程序,三级菜单退出~~ \033[0m") else: return True print("==============================================================================================================") print("湖北省下面的市区如下: ") for number,key in enumerate(Hbei_map.keys()): print(str(number+1) + ": " + str(key)) shiqu_dir[number+1] = key chose = [] shiqu_list = [x+1 for x in range(len(shiqu_dir.keys()))] while True: print("==========================================================================================================") shiqu = input("请输入您要查询的市区所对应的序列号,输入exit或者quit自动会退出.:") jiance(shiqu) if int(shiqu) not in shiqu_dir.keys(): print("您输入了非法的序列,请输入一下序列 {}".format(shiqu_list)) else: for keys,vlaue in shiqu_dir.items(): if int(shiqu) == keys: chose = [] chose.append(vlaue) print("================================================================================================") print("该市区下面的县级市或者片区域,县城列表如下:") for number,keys_xian in enumerate(Hbei_map[vlaue].keys()): print(str(number+1)+ ":" + str(keys_xian)) xian_dir[number+1] = keys_xian while True: print("=============================================================================================") xian = input("请输入要查询的县城所对应的序列号,quit/exit退出: ") jiance(xian) xian_list = [x+1 for x in range(len(xian_dir.keys()))] if int(xian) not in xian_dir.keys(): print("您输入了非法的序列,请输入一下序列 {}".format(xian_list)) else: for k,v in xian_dir.items(): if int(xian) == k: chose.append(v) jiedao_li = Hbei_map[chose[0]][chose[1]] for k,v in enumerate(jiedao_li): print(str(k+1) + ": " + str(v)) jiedao_dir[k+1] = v while True: print("=====================================================================================") jiedao = input("请输入街道所对应的序列号 退出请输入quit/exit: ") jiance(jiedao) jiedao_list = [x+1 for x in range(len(jiedao_dir.keys()))] if int(jiedao) not in jiedao_dir.keys(): print("您输入了非法的序列,请输入一下序列 {}".format(jiedao_list)) else: for k,v in jiedao_dir.items(): if int(jiedao) == k: chose.append(v) print("=================================================================================") print("\033[35;1m你选择的市:%s 县城是:%s 街道是:%s\033[0m"%(chose[0],chose[1],chose[2])) print("===================================================================================") break break break
python 三级菜单 while循环三次,湖北省市-县-街道的选择,3个while的循环 -day2
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