I used [::3] but it didnt work its correct btw

Answer 1

a = [1,2,3,4,5,6]
b = a[::3]
#Out:
[1,4]

This is how it works. 3 is step.

Answer 2

You must not have it correctly if it didn’t work. Please post your code or a real question if you would like help.

Answer 3

Thats it thanks