a=[i for i in range(10) if i%2==0]print(a)a=[i if i%2==0 else 'qi' for i in range(10)]print(a)
结果:[0, 2, 4, 6, 8][0, 'qi', 2, 'qi', 4, 'qi', 6, 'qi', 8, 'qi']