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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 is_authenticated(self):
 """Helper method which returns the authentication status of the client :return: :rtype: """

        if not self.token:
            return False

        try:
            self.lookup_token()
            return True
        except exceptions.Forbidden:
            return False
        except exceptions.InvalidPath:
            return False
        except exceptions.InvalidRequest:
            return False