用Python写一个猜数字游戏

2015.5.25第一天下载Python IDLE，写个猜数字的小游戏来熟悉这门语言：

 times=6
 letters=[100]
 for i in range(1,times):
     a = input("input the number you guess:")
     try:
         b = int(a)
         if isinstance(b,int):
             if i <5:
                 if int(a) in letters:
                     print("%s is the right answer, you win!" % a)
                     break
                 else:
                     sen1 = "%s is not the right answer," % a
                     if int(a) < letters[0]:
                         sen2 = " and it is smaller,please try again."
                     else:
                         sen2 = " and it is greater, please try again."
                     sen = "%s%s" % (sen1,sen2)
                     print("%s" % sen)
                     continue
             else:
                 print("You lose!")
         else:
             print("You should input an integer number")
     except Exception as err:
         print("You should input an integer number.")
 input("Input any key to quit:")

只有4次机会，都猜错了就算输，包括对数据输入的类型控制，就这样：