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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def login(self):
 """Prompt user for username and password."""

        self._username = input("Username:")
        self._password = getpass.getpass("Password:")
        if self.get_auth_token():
            _LOGGER.debug("Login successful!")
            return True
        _LOGGER.warning("Unable to login with %s.", self._username)
        return False