day 10（作业）

# 注册
def register():
    print('欢迎来到注册功能')
    while True:
        username_inp = input('请输入用户名：')
        pwd_inp = input('请输入密码：')
        re_pwd_inp = input('请再次输入密码：')
        if not username_inp.isalpha():
            print('用户名应为纯字母')
            continue
        if not pwd_inp.isdigit():
            print('密码应为纯数字')
            continue
        with open(r'user_info.txt', 'r', encoding='utf-8') as fr:
            user_info = fr.read()
            username = f'|{username_inp}:'
        if username in user_info:
            print('用户名已注册')
            continue
        if re_pwd_inp == pwd_inp:
            with open('user_info.txt', 'a', encoding='utf-8') as fa:
                fa.write(f'|{username_inp}:{pwd_inp}')
            print('注册成功')
            return True
        print('两次密码不一致')


# 登录
def login():
    print('欢迎来到登录功能')
    while True:
        username_inp = input('请输入应用户名：')
        pwd_inp = input('请输入密码：')
        user_info_inp = f'|{username_inp}:{pwd_inp}'
        with open(r'user_info.txt', 'r', encoding='utf-8') as fr:
            user_info = fr.read()
        if user_info_inp in user_info:
            print('登录成功')
            return True
        print('账号密码错误')


# 奖品机制


def jiang_pin():
    prize_dict = {'0': '918', '1': 'p1', '2': 'laferrari', '3': 'chongqiwawa'}
    prize_msg = '''
    0 = 918
    1 = p1
    2 = laferrari
    3 = chongqiwawa
    '''
    prize_d = {}
    prize_count = 0
    while prize_count < 2:
        print('请从下列奖品中选择一个')
        print(prize_msg)
        prize_inp = input('请选择')
        if prize_inp not in prize_dict:
            print('请选择现有奖品')
            continue
        prize = prize_dict[prize_inp]
        if prize in prize_d:
            prize_d[prize] += 1
        else:
            prize_d[prize] = 1
        print(f'你获得了{prize}')
        prize_count += 1
    print(f'你一共获得了{prize_d}')
    print('游戏结束')
    return None


# 猜年龄游戏

def cai():
    print('欢迎来到猜年龄游戏，你只有三次机会')
    age = 18
    age_count = 0
    while age_count < 3:
        age_inp = input('请输入年龄：')
        if not age_inp.isdigit():
            print(f'你的年龄是{age_inp}')
            continue
        age_inp_int = int(age_inp)
        if age_inp_int > age:
            print('猜大了')
        elif age_inp_int < age:
            print('猜小了')
        else:
            print('你猜对了，可以选择两件奖品')
            del_jianpin = jiang_pin()
            if not del_jianpin:
                break
        age_count += 1


# 游戏主体
while True:
    zhu_inp = input('先注册请输入y,enter直接进入登录')
    if zhu_inp == 'y':
        register = register()
        if not register:
            continue
    login = login()
    if not login:
        continue
    cai()
    break

来源：https://www.cnblogs.com/luocongyu/p/11551468.html