习题-三级目录

Posted 2020-11-01 nickkkk

info = {

    "宁夏": {

        "银川":{ "兴庆区":{"东方红","西方白"},

                  "老城区":{"北方绿","南方黑"},

                  "石油城":{"燕和园","燕翔园"},

                },

        "吴中":{ "111":{"东方红","西方白"},

                  "222":{"北方绿","南方黑"},

                  "333":{"燕和园","燕翔园"},

                },

             },

    "陕西":{

        "西安":{ "222":{"东方红","西方白"},

                  "333":{"北方绿","南方黑"},

                  "444":{"燕和园","燕翔园"},

                },

        "咸阳":{ "111":{"东方红","西方白"},

                  "222":{"北方绿","南方黑"},

                  "333":{"燕和园","燕翔园"},

                },

             },

    "山东":{

        "济南":{ "222":{"东方红","西方白"},

                  "333":{"北方绿","南方黑"},

                  "444":{"燕和园","燕翔园"},

                },

        "潍坊":{ "111":{"东方红","西方白"},

                  "222":{"北方绿","南方黑"},

                  "333":{"燕和园","燕翔园"},

                },

             },

        }

 

exit_falg = 1

while exit_falg:

    for i in info:

        print(‘\t‘,i)

    choise1 = input("请输入要选择的省份，按q退出程序：")

    if choise1 == ‘q‘:

exit_falg = 0

    if choise1 in info:

        while exit_falg:

            for j in info[choise1]:

                print(‘\t\t‘,j)

            choise2 = input("请输入要选择的城市，按q退出程序，按b退回到上一级：")

            if choise2 == ‘q‘:

                exit_falg = 0

            if choise2 == ‘b‘:

                break

            if choise2 in info[choise1]:

                while exit_falg:

                    for k in info[choise1][choise2]:

                        print(‘\t\t\t‘,k)

                    choise3 = input("请输入要选择的区，按q退出程序，按b退回到上一级：")

                    if choise3 == ‘q‘:

                        exit_falg = 0

                    if choise3 == ‘b‘:

                        break

                    if choise3 in info[choise1][choise2]:

                        for i3 in info[choise1][choise2][choise3]:

                            print(‘\t\t\t\t‘, i3)

                        choise4 = input("最后一层，按b返回，按q退出：")

                        if choise4 == ‘q‘:

                            exit_falg = 0

                        if choise4 == ‘b‘:

                            break