[开发工具]Python学员信息管理系统

Python学员信息管理系统

"""
# 系统信息
1.添加学员
2.删除学员工
3.修改学员信
4.显示所有学员信息
5.查询所有学员信息
6.退出系统
"""
info = []  # 放所有的学员，一个学员是一个字典


# 显示功能界面
def system():
    print('请选择您要的操作：')
    print('     1.添加学员')
    print('     2.删除学员')
    print('     3.修改学员信息')
    print('     4.查询学员')
    print('     5.显示所有学员')
    print('     6.退出系统')


# 1.添加学员
def add_info():
    global info
    info_dict = {}
    user_name = input('输入学员的名字：')
    user_age = input('输入学员的年龄：')
    user_phonumber = input('输入学员的电话号码：')
    for i in info:
        if user_name == i['name']:
            print('该学员已经存在！')
            return
    info_dict['name'] = user_name
    info_dict['age'] = user_age
    info_dict['phonumber'] = user_phonumber
    info.append(info_dict)
    pass


# 2.删除学员
def del_info():
    global info
    user_name = input('输入想要删除学员的名字：')
    for i in info:
        if i['name'] == user_name:
            info.remove(i)
            print('删除成功！！！')
            return
    else:
        print("该学员不存在！！！")
    pass


# 3.修改学员信息
def modify_info():
    global info
    user_name = input('输入想要修改信息学员的名字：')
    for i in info:
        if i['name'] == user_name:
            info.remove(i)
            add_info()
            print("修改成功！！！")
            return
    else:
        print("该学员不存在！！！")
    pass


# 5.查询所有学员
def serch_info():
    global info
    user_name = input('输入想要查询学员的名字：')
    for i in info:
        if i['name'] == user_name:
            print('他的名字是:%s,年龄是:%s,电话号码是:%s' % (i.get('name'), i.get('age'), i.get('phonumber')))
            return
    else:
        print("该学员不存在！！！")
    pass


# 5.查询所有学员
def serch_allinfo():
     global info
     for i in info:
         print('名字:%s,年龄:%s,电话号码:%s' % (i.get('name'), i.get('age'), i.get('phonumber')))


while True:
    system()
    user_num = int(input('您想输入的功能序号：'))  # 字符串
    if user_num == 1:  # 添加学员
        add_info()
    elif user_num == 2:
        del_info()
    elif user_num == 3:
        modify_info()
    elif user_num == 4:
        serch_info()
    elif user_num == 5:
        serch_allinfo()
    elif user_num == 6:
        break
    else:
        print('输入有误！！！请重新输入')