def group_randomly(self, *, fixed_id_in_group=False):
group_matrix = self.get_group_matrix()
group_matrix = matching.randomly(group_matrix, fixed_id_in_group)
self.set_group_matrix(group_matrix)
def group_randomly(self, *, fixed_id_in_group=False):
group_matrix = self.get_group_matrix()
group_matrix = matching.randomly(
group_matrix,
fixed_id_in_group)
self.set_group_matrix(group_matrix)