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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 have_key(self, *keygrips):
 """Check if any keygrip corresponds to a TREZOR-based key."""

        for keygrip in keygrips:
            try:
                self.get_identity(keygrip=keygrip)
                break
            except KeyError as e:
                log.warning('HAVEKEY(%s) failed: %s', keygrip, e)
        else:
            raise AgentError(b'ERR 67108881 No secret key <GPG Agent>')