简版用户登录系统
给3次机会输出用户名和密码,显示每次输入后还剩几次机会
count = 1
while count <= 3:
user_name = input("请输入用户名:")
user_password = input("请输入密码:")
if user_name == "Raccoon" and user_password == "123" :
print("恭喜登录成功")
break
else:
print("用户名或密码错误,请重输")
print("还剩下%s机会"%(3-count))
count += 1
转载于//www.cnblogs.com/Little-Raccoon/p/10755102.html
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