day10_python_作业

logon_list=[]
students = []
def welcom():
    while True:
        global logon_list
        print('='*25)
        print('杨永信电疗学校欢迎您'.center(14,' '))
        print('1.登入'.center(14,' '))
        print('2.注册'.center(14,' '))
        print('3.退出'.center(14,' '))
        print('=' * 25)
        a=int(input('请输入指令:'))
        if a==1:
            logon_name = input('请输入用户名:')
            logon_key = input('请输入密码:')
            b={logon_name:logon_key}
            if b in logon_list:
                print('登入成功')
                break

            else:
                print('账号密码错误!')
        if a==2:
            logon()
        if a==3:
            break

def logon():
    global logon_list
    logon_name=input('请设置用户名:')
    logon_key=input('请设置密码:')
    logon_list.append({logon_name:logon_key})
    print('注册成功!')
    return logon_list
def zjm():
    print('='*25)
    print('戒网瘾学校系统'.center(14,' '))
    print('1.添加学生'.center(14,' '))
    print('2.查看学生'.center(14,' '))
    print('3.删除学生'.center(14,' '))
    print('4.修改学生'.center(14,' '))
    print('5.退出'.center(14,' '))
    print('='*25)

def main_menu():

    while True:
        zjm()
        a = int(input('请输入指令:'))

        if a == 1:
            stu_names = input('学生名字為:')
            stu_ages = int(input('学生年龄为:'))
            stu_phone = input('学生电话:')
            student = {'name': stu_names, 'age': stu_ages, 'phone': stu_phone}
            students.append(student)
            print('添加成功')
            continue
        if a == 2:
            b = input('请输入查看学生的名字:')
            for c in students:
                if b in c['name']:
                    print('学生的名字是', c['name'], '年龄为', c['age'], '电话为', c['phone'])
                else:
                    print('未找到该学生')
                continue
        if a == 3:
            b = input('请输入删除学生的名字:')
            for c in students:
                if b in c['name']:
                    del c['name']
                    del c['age']
                    del c['phone']
                    print('删除成功')

                continue
        if a == 5:
            print('退出程序')
            print('================================')
            break

        if a == 4:
            b = input('请输入修改学生的名字:')
            for c in students:
                if b in c['name']:
                    print('学生的名字是', c['name'], '年龄为', c['age'], '电话为', c['phone'])
                    print('请输入更改信息')
                    print('1.更改年龄')
                    print('2.更改电话')

                    d=int(input('请输入选项'))
                    if d==1:
                        e=int(input('请输入新的年龄:'))
                        c['age']=e
                        print ('年龄修改成功!')
                    if d==2:
                        e = int(input('请输入新的电话:'))
                        c['phone'] = e
                        print ('年龄修改成功!')
                    else:

                        continue








welcom()
main_menu()