L = []
n = 1
while n <= 99:
    L.append(n)
    n = n + 2

可用下面多种方法实现缩短:

[i for i in range(1,100,2)]

list(range(1, 100, 2))

list(range(1, 100))[::2]

list(range(1, 100)[::2])

list(range(100))[1::2]

[2*x-1 for x in range(1,51)]