练手小程序（一）

以下的文章部分翻译自kinght lab的博客，原文链接: https://medium.com/learning-journalism-tech/five-mini-programming-projects-for-the-python-beginner-21492f6ce0f3#.boemvvuxf 

通常来讲，最好的学习一门编程语言的方法是在项目中使用它，但是当你没有什么大型的项目可以参加的时候，找个小的程序来练练受也是不错的选择，接下来让我们一起用python做一些小的编程项目吧。

第一个项目： 色子模拟器

目标：模拟一个玩色子的小游戏

以下是自己写的小程序，聊做记录，以后更改

#!usr/bin/env python
# _*_ coding: utf-8 _*_

from random import  randint 
class Dice(object):
    "The definition of dise model"
    
    def __init__(self, sides=6):
        self.sides = sides 

    def play_dice(self):
        return randint(1,self.sides)

def choose_game():
    "Which game is the one you want to paly?"
    games = {
        "game_1": "Throw one dice",
        "game_2": "sai-bo"
    }
    welcom_str = "Which game do you want to play?\n\t1. %s\n\t2. %s\n\t" %(games["game_1"], games["game_2"])
    user_choose = raw_input(welcom_str)
    
    # never trust any user's input
    try:
        user_choose = int(user_choose)
        if user_choose == 1:
            return games["game_1"]
        elif user_choose == 2:
            return games["game_2"]
        else:
            print("Opps, no this game")
            choose_game()
    except ValueError:
        print("Please give me the righe choice.")
        choose_game()

def one_dice_game():
    "Throw a dice and guess a number, then boooooom"
    dice = Dice()
    dice_number = dice.play_dice()
    user_guess = raw_input("Please guess a number: ")
    try:
        user_guess = int(user_guess)
        if user_guess == dice_number:
            print("Great,you got it!")
        else:
            print("The right number is %d." % dice_number)
    except ValueError:
        print("Wrong input")
        
def sai_bo():
    "Do you want to buy the hi, lo or the big boom?"
    dice1 = Dice()
    dice2 = Dice()
    dice3 = Dice()
    dice1_result, dice2_result, dice3_result = dice1.play_dice(), dice2.play_dice(), dice3.play_dice()
    if dice1_result == dice2_result == dice3_result:
        result = "boom"
    elif dice1_result + dice2_result + dice3_result <= 10:
        result = "low"
    else:
        result = "high"

    gamble = raw_input("High-Low or Boom, make a dicision! ")
    if gamble.strip().lower() == result or gamble.strip().lower() == result[0]:
        if result == "boom":
            print("Oh my God, you win the world!")
        else:
            print("You win the game")
    else:
        if result == "boom":
            print("You lose the world!")
        else:
            print("You lose the game.")

if __name__=="__main__":
    while(True):
        play_or_not = raw_input("Do you want to play a game with me?(y/n)")
        if play_or_not.strip().lower() == 'y':
            game = choose_game()
            if game == "Throw one dice":
                while(True):
                    one_dice_game()
                    more_or_not = raw_input("Once more?(y/n)")
                    if more_or_not.strip().lower() == 'n':
                        break
                    else:
                        print("Come on!!!")
            else:
                while(True):
                    sai_bo()
                    more_or_not = raw_input("Once more?(y/n)")
                    if more_or_not.strip().lower() == 'n':
                        break
                    else:
                        print("Come on")
        else:
            break