1 #通过DEBUG可以看出是guess输入内容（heads, tails）和TOSS内容（0,1）不一致，需修改和TOSS的比较项。
 2 import random,logging
 3 logging.basicConfig(level=logging.DEBUG, format=‘%(asctime)s - %(levelname)s - %(message)s‘)
 4 logging.debug(‘Start of program‘)
 5 guess = ‘‘
 6 n=‘‘                                         #新增一个函数n
 7 while guess not in (‘heads‘, ‘tails‘):
 8   print(‘Guess the coin toss! Enter heads or tails:‘)
 9   guess = input()
10   logging.debug(‘inputwords:(%s%%)‘ % (guess))#debug guess内容
11   if guess == (‘heads‘):
12     n = 1
13   elif guess == (‘tails‘):
14     n = 0
15   logging.debug(‘inputwords:(%s%%)‘ % (n))#debug n 内容
16 toss = random.randint(0, 1) # 0 is tails, 1 is heads
17 logging.debug(‘toss:(%s%%)‘ % (toss))  #debug toss 内容
18 if toss == n:
19   print(‘You got it!‘)
20 else:
21   print(‘Nope! Guess again!‘)
22   guesss = input()
23   if toss == n:
24     print(‘You got it!‘)
25   else:
26     print(‘Nope. You are really bad at this game.‘)