instruction:
In this task, you are given inputs i and A, where i is an integer and A is a list. You need to list all the elements of A preceding the last i elements. i will always have a value less than the length of A.
question:
5, ['a', 'a', '3961', '9489', 'b', '1505', 'W', '8567', '635', 'z', 'a', '139', '3987', 'C', 'D', '3401', 'l']
answer:
a, a, 3961, 9489, b, 1505, W, 8567, 635, z, a, 139


question:
8, ['x', '9567', 'T', 'y', '2253', '7641', '5451', 'j', 'q', '6853', '4769', '9425', 'y', '61', '1439', 'A', '7223', 'R', 'c', 'n', 'N', '9237', 'V', 'V', '5655', 't']
answer:
x, 9567, T, y, 2253, 7641, 5451, j, q, 6853, 4769, 9425, y, 61, 1439, A, 7223, R


question:
2, ['7693', 'Q', '1945', 'E', 'x', '9787', 'x', 'u', '8237']
answer:

7693, Q, 1945, E, x, 9787, x