# Cannot combine with C416. Should use list comprehension here. even_nums = list(2 * x for x in range(3)) odd_nums = list( 2 * x + 1 for x in range(3) ) # Short-circuit case, combine with C416 and should produce x = list(range(3)) x = list(x for x in range(3)) x = list( x for x in range(3) ) # Strip parentheses from inner generators. list((2 * x for x in range(3))) list(((2 * x for x in range(3)))) list((((2 * x for x in range(3))))) # Not built-in list. def list(*args, **kwargs): return None list(2 * x for x in range(3)) list(x for x in range(3))