TASK DEFINITION: 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.
PROBLEM: 13, ['T', 'W', '3873', '2359', '7667', '1057', 't', 'Y', 'D', '9569', 'z', '2171', '7863', 'A', '7177', 'o', '9889', '3769', 'k', '227', '6991', 'S', '4603', '7681', 'M', '1993', '5955', 'z']

SOLUTION: T, W, 3873, 2359, 7667, 1057, t, Y, D, 9569, z, 2171, 7863, A, 7177

PROBLEM: 10, ['x', '6869', '9215', '1815', '7867', 'I', '4237', '6971', 'Y', 'p', '6951', '3907', '8869', '5239', '5591', '6357', 'r', 'F', 'f', '4189', 'p', 'm', 'r', '163', '7793']

SOLUTION: x, 6869, 9215, 1815, 7867, I, 4237, 6971, Y, p, 6951, 3907, 8869, 5239, 5591

PROBLEM: 12, ['7445', '9181', '2601', 'T', '4815', 'S', 'Z', '9753', '9883', '375', '2303', 'd', 'r', 'j', 'k', 'v', '4011', 'k', 'd', '8993', 'W', 'e', 'f', 'S', 'F', '4363', '4873', 'A']

SOLUTION:
7445, 9181, 2601, T, 4815, S, Z, 9753, 9883, 375, 2303, d, r, j, k, v