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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 _get_ssh_public_key(self):
 """Generate SSH public key from private key."""

        key = ipa_utils.generate_public_ssh_key(self.ssh_private_key_file)
        return '{user}:{key} {user}'.format(
            user=self.ssh_user,
            key=key.decode()
        )