python小白之路（特性語法三應用名片管理器項目）

#encoding=utf-8

print("歡迎使用Pyhon名片系統")
#定義列表存儲名片信息
list_card = [{'編號':1,'姓名':'zhanshi','電話':'110'},{'編號':2,'姓名':'戰士','電話':'119'}]
while True:
    print("*"*20)
    #名片系統功能
    print("添加名片【1】")
    print("刪除名片【2】")
    print("修改名片【3】")
    print("查詢名片【4】")
    print("查詢所有【5】")
    print("銷毀系統【6】")
    print("退出系統【7】")
    print("*"*20)
    str1 = input("請輸入選擇的功能：")
    if str1 == '1':
        id = int(input("請輸入新編號："))
        name = input("請輸入新姓名：")
        telphone = input("請輸入新電話：")
        #定義字典
        dict_card = {}
        dict_card['編號'] = id
        dict_card['姓名'] = name
        dict_card['電話'] = telphone
        #將字典數據插入到列表中
        list_card.append(dict_card)        
        print("添加完畢")
    elif str1 == '2':
        name = input("請輸入刪除的姓名：")
        flag = False
        for dict_list in list_card:
            if dict_list['姓名'] == name:
                    flag = True
                    list_card.remove(dict_list)
                    #break
        if flag:
            print("姓名:%s已刪除"%name)
        else:
            print("沒有找到%s姓名，無法刪除"%name)
            continue #刪除后功能繼續
    elif str1 == '3':
        name = input("請輸入修改前的姓名：")
        #默認不存在標志
        flag = False
        for dict_list in list_card:
            if dict_list['姓名'] == name:
                new_id = int(input("請輸入新編號："))
                new_name = input("請輸入新姓名：")
                new_telphone = input("請輸入新電話：")

                dict_list['編號'] = new_id
                dict_list['姓名'] = new_name
                dict_list['電話'] = new_telphone
                flag = True
        if flag:
            print("姓名:%s已修改OK"%name)
        else:
            print("沒有找到%s姓名，無法修改"%name)
            continue               
    elif str1 == '4':
        name = input("請輸入查詢的姓名：")
        #默認不存在標志
        flag = False
        print("="*20)
        for dict_list  in list_card:
            if dict_list['姓名'] == name:
                flag= True

        if flag:
            print("編號:%d,姓名:%s,電話:%s"%(dict_list['編號'],dict_list['姓名'],dict_list['電話']))
        else:
            print("沒有找到%s"%name)
            print("="*20)
            continue
    elif str1 == '5':
        print("="*20)
        for dict in list_card:
            for key,value in dict.items():
                print("%3s:%s"%(key,value))
            print("="*20)
    elif str1 =='6':
        del list_card
        print('名片系統銷毀?。?！')
        break
    elif str1 == '7':
        break
    else:
        print("請按提示使用名片系統")