Python_22_ slice

📌 slice

listdata = list(range(1,21))
print(listdata)
evenlist = listdata[1::2]
print(evenlist)

oddlist = listdata[::2]
print(oddlist)

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20][2, 4, 6, 8, 10, 12, 14, 16, 18, 20]
[1, 3, 5, 7, 9, 11, 13, 15, 17, 19]