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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 worker_recover(name, workers=None, profile='default'):
    '''
    Recover all the workers in the modjk load balancer

    Example:

    .. code-block:: yaml

        loadbalancer:
          modjk.worker_recover:
            - workers:
              - app1
              - app2
    '''
    if workers is None:
        workers = []
    return _bulk_state(
        'modjk.bulk_recover', name, workers, profile
    )