名片信息管理系统 （列表）

#!/usr/bin/python
# -*- coding: UTF-8-*-
#----author:valecalida----
#主要以列表的功能实现，欢迎大家测试，提出您宝贵的意见
import sys


def menu():
    print("----------Business Card Management System----------")
    print("\t\t\t1.添加一个新的名片")
    print("\t\t\t2.删除一个名片")
    print("\t\t\t3.修改一个名片")
    print("\t\t\t4.查询一个名片")
    print("\t\t\t5.显示所有的名片")
    print("\t\t\t6.退出系统\n")


def add():
    print("请输入要添加的信息：")
    card_info = []
    name = input("\t\t请输入姓名：")
    qq_id = input("\t\t请输入QQ ID：")
    tel = input("\t\t请输入Telphone number：")

    card_info.append(name)
    card_info.append(qq_id)
    card_info.append(tel)
    Card_infos.append(card_info)
    print("正在新建，请稍后......")
    print("Done\n")


Card_infos = []


def change():
    if Card_infos:
        change_input = input("请输入您要修改人的名字：")
        for info in Card_infos:
            if change_input == info[0]:

                name = input("请输入姓名：")
                qq_id = input("请输入QQ ID：")
                tel = input("请输入Tel number：")

                info[0] = name
                info[1] = qq_id
                info[2] = tel
                print("正在修改，请稍后......\nDone\n")
            else:
                print("系统中没有人叫：" + info['name'])
    else:
        print("系统里没有任何信息,无法进行修改\n")


def clear():
    clear_choice = input("Enter 'a' to clear all;Enter 'n' to clear by name:")
    if clear_choice == 'a':
        Card_infos.clear()
    elif clear_choice == 'n':
        del_name = input("请输入您要删除人的名字：")
        for info in Card_infos:
            if del_name == info[0]:
                Card_infos.remove(info)
        print("正在删除，请稍后....\nDone.\n")
    else:
        print("请确定您的输入符合输入标准\n")

def search():
    if Card_infos:
        search_choice = input("请输入你要查找人的名字：")
        for info in Card_infos:
            if search_choice == info[0]:
                print("\tName:" + info[0] + "\n\tQQ:" + info[1] + "\n\tTel num:" + info[2] + "\n")
            else:
                print("系统中没有人叫：" + search_choice + "\n")
    else:
        print("系统里没有任何信息,无法进行查询\n")


def display_all():
    if Card_infos:
        for infos in Card_infos:
            print("\tName:" + infos[0] + "\n\tQQ:" + infos[1] + "\n\tTel num:" + infos[2] + "\n")
    else:
        print("系统里没有任何信息.\n")


def turn_off():
    sys.exit()

user = {'vale':'111'}


def guest():
    user_name = input("请输入您的名字：")
    user_pass = input("请输入您的密码：")
    if user_name in user_name and user_pass == user.get(user_name):
        print("welcome to Business Card Management System:")
        menu()
    else:
        print("请确认您的账号密码是否正确,请稍后再试。")
        exit()


def run_system():
    guest()
    while True:
        run_id = input("请输入要进行的操作，按q退出：")
        if run_id == '1':
            add()
        elif run_id == '2':
            clear()
        elif run_id == '3':
            change()
        elif run_id == '4':
            search()
        elif run_id == '5':
            display_all()
        elif run_id == '6' or run_id == 'q':
            turn_off()
        else:
            print("请确定您的输入符合输入标准\n")
run_system()