2.13 day 10

 1 #用户登录(三次机会重试)
 2 #老师答案(最后两行自添)
 3 count = 0
 4 while count < 3:
 5     user = input('>>>')
 6     pwd = input('>>>')
 7     if user == 'alex' and pwd == '123':
 8         print('欢迎登录')
 9         print('..........')
10         break
11     else:
12         print('用户名或密码错误')
13     count = count + 1
14 if count == 3:
15         print('输入错误已达上限,登录失败')

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转载自www.cnblogs.com/phyllissRyo/p/10371784.html