day1-三级菜单

#!/usr/bin/env python
#_*_ coding:utf-8 _*_
import os,sys
if os.path.isfile('menu_info.txt'):
    pass
else:
    sys.exit("\033[31m没有定义menu_info.txt\033[0m")

usr_dic = {}
with open('menu_info.txt') as f1:
    for i in f1:
        area_dic = {}
        l1 = i.split(':')
#        usr_dic[l1[0]] = l1[1]
        l2 = l1[1].strip('\n').split(' ')
        d1 = {}
        for i in l2:
            l3 = i.split('|')
#            d1[l3[0]] = l3[1]
# print (d1)
            l4 = l3[1].split(';')
            d2 = {}
            for m in l4:
                l5 = m.split('*')
                d2[l5[0]] = l5[1]
            d1[l3[0]] = d2
# print (d1)
        usr_dic[l1[0]] = d1
#print (usr_dic)
while True:
    li_m = []
    for m,n in enumerate(usr_dic,1):
        print (m,n) #打印出城市和序列号
        li_m.append(m)
    city_code = input("\033[32mplease input your right code or 'q'(quit):\033[0m")
    if city_code in str(li_m):
        for m, n in enumerate(usr_dic, 1):
            if m == int(city_code):

                while True:
                    li_x = []
                    for x,y in enumerate(usr_dic[n],1):
                        print (x,y) #打印出区信息
                        li_x.append(x)
                    res_code = input("\033[32mplease input: your 'area_code' or 'b' or 'q'(b:back q:quit):\033[0m")
                    if res_code in str(li_x):
                        for x,y in enumerate(usr_dic[n],1):
                # print (x,y,usr_dic[n][y])
                            if res_code == str(x):

                                while True:
                                    li_u = []
                                    for u,v in enumerate(usr_dic[n][y],1):
                                        print (u,v) #打印出镇的信息
                                        li_u.append(u)
                                    town_code = input("\033[32mplease input: your 'area_code' or 'b' or 'q'(b:back q:quit):\033[0m")
                                    if town_code in str(li_u):
# print (town_code)
                                        for u, v in enumerate(usr_dic[n][y],1):
                                            if u == int(town_code):
                                            # print (u,usr_dic[n][y][v])
                                                print (usr_dic[n][y][v]) #打印镇的具体地点信息
                                                sys.exit(0)
                                    elif town_code == 'b':
                                        break
                                    elif town_code == 'q':
                                        sys.exit('\033[32mByeBye\033[0m')
                                    else:
                                        print ('\033[31merror input,please input agin\033[0m')
                    elif res_code == 'b':
                        break
                    elif res_code == 'q':
                        sys.exit('\033[32mByeBye\033[0m')
                    else:
                        print ('\033[31merror input,please input again\033[0m')
    elif city_code == 'q':
        sys.exit('\033[32mByeBye\033[0m')
    else:
        print ("\033[31merror input,please input again\033[0m")

[yn@localhost@../menu]$cat menu_info.txt 
北京:朝阳|三里屯*三里屯医院,三里屯小学;潘家园*潘家园街道办事处,潘家园小学 昌平|沙河*老男孩教育,沙河链家地产;回龙观*回龙观中学,回龙观公园
上海:徐家汇|徐家汇街道*徐家汇福特4s店,徐家汇中学;长桥街道*长桥小学,长桥医院 闵行区|七宝镇*七宝镇中学,如家七宝镇店;马桥镇*马桥医院,马桥小学
深圳:福田|福田街办*福田小学,福田幼儿园;梅林街办*梅林医院,梅林中学 南山区|蛇口*家家顺蛇口店,蛇口办事处;南头*南山小学,南山集团