instruction:
In this task, you are given inputs k, i, and A, where k and i are integers and A is a list. You need to find every ith element of A starting from the kth element. The process stops when the position of the next ith element exceeds the length of the list.
question:
1, 1, ['S', 'g', 'r']
answer:
S, g, r


question:
1, 1, ['8877', 'w', '8679', '9599']
answer:
8877, w, 8679, 9599


question:
1, 1, ['F', '1619', 't', 'P', 'm', 'Y']
answer:

F, 1619, t, P, m, Y