def get_quadrant_from_class(node_class):
    """Return the ID of the segment of the plane corresponding to a class."""
    up, edge_type, _ = node_class
    if up == 0:
        return 0 if random.random() < 0.5 else 7
    mappings = {(-1, 'modification'): 1,
                (-1, 'amount'): 2,
                (-1, 'activity'): 3,
                (1, 'activity'): 4,
                (1, 'amount'): 5,
                (1, 'modification'): 6}
    return mappings[(up, edge_type)]
def get_quadrant_from_class ( node_class ) : up , edge_type , _ = node_class if up == 0 : return 0 if random . random ( ) < 0.5 else 7 mappings = { ( - 1 , 'modification' ) : 1 , ( - 1 , 'amount' ) : 2 , ( - 1 , 'activity' ) : 3 , ( 1 , 'activity' ) : 4 , ( 1 , 'amount' ) : 5 , ( 1 , 'modification' ) : 6 } return mappings [ ( up , edge_type ) ]
Return the ID of the segment of the plane corresponding to a class.