<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def list_lbaas_pools(self, retrieve_all=True, **_params):
 """Fetches a list of all lbaas_pools for a project."""

        return self.list('pools', self.lbaas_pools_path,
                         retrieve_all, **_params)