def p_expr_BAND_expr(p):
    """ expr : expr BAND expr
    """
    p[0] = make_binary(p.lineno(2), 'BAND', p[1], p[3], lambda x, y: x & y)
def p_expr_BAND_expr ( p ) : p [ 0 ] = make_binary ( p . lineno ( 2 ) , 'BAND' , p [ 1 ] , p [ 3 ] , lambda x , y : x & y )
expr : expr BAND expr