python 学习python的第几天不重要了，今天分享一下

[AppleScript] 纯文本查看 复制代码

def print_info():
    print('请选择功能----------')
    print('1、添加学员')
    print('2、删除学员')
    print('3、修改学员')
    print('4、查询学员')
    print('5、显示所有学员')
    print('6、退出系统')
    print('-' * 20)
# 全局变量，保存所有学员信息
info = []

# 添加学员信息函数
def add_user():
    """添加学员函数"""
    new_id = input('请输入学号：')
    new_name = input('请输入姓名：')
    new_tel = input('请输入手机号：')

    global info

    for i in info:
        if new_name == i['name']:
            print('姓名重复')
            return
    info_dict = {}
    info_dict['id'] = new_id
    info_dict['name'] = new_name
    info_dict['tel'] = new_tel
    # print(info_dict)
    info.append(info_dict)
    print(info)
# 删除学员函数
def del_info():
    del_name = input('请输入删除的名字：')
    global info
    for i in info:
        if del_name == i['name']:
            info.remove(i)
            print(info)
            break
    else:
            print('该学员不存在')
# 修改学员信息
def modif_info():
    modifname = input('请输入需要修改的学员姓名：')
    global info
    for i in info:
        if modifname == i['name']:
            i['tel'] = input('请输入新的手机号：')
            print(f'修改成功')
            break
    else:
        print('该学院不存在')
    print(info)
# 系统功能需要循环使用
while True:
    # 显示功能界面
    print_info()

    # 用户输入功能序号
    user_num = int(input('请输入功能序号：'))

# 按照用户输入的功能序号执行不同的功能
    if user_num == 1:
        add_user()
    elif user_num == 2:
        del_info()
    elif user_num == 3:
        modif_info()
    elif user_num == 4:
        print(f'你选择的是:{user_num}')
    elif user_num == 5:
        print(f'你选择的是:{user_num}')
    elif user_num == 6:
        print(f'你选择的是:{user_num}')
        break
    else:
        print('输入有误')