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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 random(self, num_bytes):
 """ Get random bytes from YubiHSM. The random data is DRBG_CTR seeded on each startup by a hardware TRNG, so it should be of very good quality. @type num_bytes: integer @return: Bytes with random data @rtype: string @see: L{pyhsm.basic_cmd.YHSM_Cmd_Random} """

        return pyhsm.basic_cmd.YHSM_Cmd_Random(self.stick, num_bytes).execute()