_username="Ck"
_password="abc123"
username=input("username:")
password=input("password:")
if username==_username and password==_password:
print("Welcome user {name} login...".format(name=username))
else:
print("Invalid username or password!")
用户名密码对错的判断(if的用法)
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转载自www.cnblogs.com/shmilymima/p/9265488.html
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