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: 2, ['z', 'C', '1787', 'P', 'i', 'M', 'V', '7833', 'i', '189', '6017', 'I']

SOLUTION: z, C, 1787, P, i, M, V, 7833, i, 189

PROBLEM: 3, ['Z', '1867', '3395', '4065', 'a', 'f', 'X', 'V', 'R', 'P', 'g', '2191', '933', '7691', '4161', 'P', 'r', '4905', '251', 'r', 'j', '5105', '1141']

SOLUTION: Z, 1867, 3395, 4065, a, f, X, V, R, P, g, 2191, 933, 7691, 4161, P, r, 4905, 251, r

PROBLEM: 6, ['7151', 'S', '4193', '6261', 'H', '4623', '1455', 't', '1421', 'e', '4227', '4719', 'g', 'V', 'Z', 't', 'z', '5603', '5745']

SOLUTION:
7151, S, 4193, 6261, H, 4623, 1455, t, 1421, e, 4227, 4719, g