<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _get_ids_from_label(self, label):
 """Return sshkey IDs which match the given label."""

        keys = self.list_keys()
        results = []
        for key in keys:
            if key['label'] == label:
                results.append(key['id'])
        return results