10 月 212020
 
# -*- coding:utf-8 -*-
import random  # 导入内置模块,用以产生随机数【pycharm:行内注释,#号前需空两个字符,#号后需空一个字符】


# 定义摇色子函数,次数参数默认为3,点数参数默认为空
def roll_dice(numbers=3, points=None):  # 【PEP 8: E251 unexpected spaces around keyword / parameter equals】
    print('>>>>> ROLL THE DICE! <<<<<')
    if points is None:  # 判断,如果点数参数值为空,将空列表赋值给该变量
        points = []
    while numbers > 0:  # while循环,直到次数值不在大于0时终止,初始值为3,每循环一次减1
        point = random.randrange(1, 7)  # 在1-6范围内取随机数赋值给点数
        points.append(point)  # 将点数追加写入列表
        numbers = numbers - 1  # 最多循环3次,成功获取3个随机数,跳出循环
    return points  # 返回生成的3个随机数


def roll_result(total):  # 定义比较大小函数
    big = 11 <= total <= 17  # 比较运算的布尔值True赋值给变量【pycharm:变量应当是小写】
    small = 4 <= total <= 10  # 比较运算的布尔值True赋值给变量
    if big:  # 判断,如果big == True 则返回提示Big
        return 'Big'
    elif small:  # 继续判断,如果small == True 则返回Small提示
        return 'Small'


def start_game():  # 定义启动游戏函数
    your_money = 1000  # 初始持有金额并赋值变量【PEP 8: E225 missing whitespace around operator】
    while your_money > 0:  # 循环,游戏重复开始,直到持有金额不再大于0时终止
        print('>>>>> GAME STARTS! <<<<<')
        choices = ['Big', 'Small']  # 定义用户有效输入值列表并赋值变量
        your_choice = input('Big or Small: ')  # 提示用户输入并赋值变量

        if your_choice in choices:  # 执行判断,是否用户输入值,存在于列表中,匹配则继续执行
            your_bet = int(input('How much you wanna bet? '))  # 用户输入下注金额赋值变量
            points = roll_dice()  # 调用函数生成随机数
            total = sum(points)  # 调用函数计算随机数累加值并赋值变量
            win = your_choice == roll_result(total)  # 调用roll_result(total)函数取得实际大小值,与用户输入值布尔运算,取得布尔值赋值变量
            if win:  # 判断,win == True则执行
                print('The points is ', points, ' You Win')  # 打印点数
                print('You gained {}, you have {} now'.format(your_bet, your_money + your_bet))  # 打印下注值和当前持有值
                your_money = your_money + your_bet  # 更新当前持有值
            else:  # 判断,反之,youWin == False则执行
                print('The points is ', points, ' You Lose')
                print('You lose {}, you have {} now'.format(your_bet, your_money - your_bet))
                your_money = your_money - your_bet
        else:  # 反之,提示输入无效字符
            print('Invalid Words')
    else:  # 反之,持有金额小于等于0时,提示游戏结束,退出执行
        print('GAME OVER')


start_game()  # 调用函数启动游戏【PEP 8: E305 expected 2 blank lines after class or function definition, found 1】

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