def METHOD_NAME(self, level="", **kwargs):
    """Lists out the sets in the results file.
    APDL Command: LIST
    Notes
    -----
    This command lists the results set number, the load step, substep, and
    time step for each set. It also shows all sets marked for deletion.
    """
    command = "LIST,%s" % (str(level))
    return self.run(command, **kwargs)