TASK DEFINITION: In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.
PROBLEM: ['n', '8891', 'A', 'A', '3927', '7777', 't', 'E', 'A', 'T', 'S', '9711', 'z', 'o', '2661', 'i', 'o', '3391', 'C', '331', 'r', '5697', 'G', 'H', '3341', 'k', 'R', 'C', '7805', 'L', 'Q', 'V', 'A', '55', '8015', 'm', 'k']

SOLUTION: 14, 8891, 1, 1, 3927, 7777, 20, 5, 1, 20, 19, 9711, 26, 15, 2661, 9, 15, 3391, 3, 331, 18, 5697, 7, 8, 3341, 11, 18, 3, 7805, 12, 17, 22, 1, 55, 8015, 13, 11

PROBLEM: ['n', 'h', '3545', 'u', '9117', 'L', '4145', 'K', 'E', 's', 'Y', '1835', 'X', 'x', 'w', 'T', 'Y', 'P', '3531', 'x', '6953', '9475', 'b', 'x', '2915', '547', '513', '2749', '737', 'l', '3367']

SOLUTION: 14, 8, 3545, 21, 9117, 12, 4145, 11, 5, 19, 25, 1835, 24, 24, 23, 20, 25, 16, 3531, 24, 6953, 9475, 2, 24, 2915, 547, 513, 2749, 737, 12, 3367

PROBLEM: ['47', 'G', 'M', '2721', 'u', '3301', 'p', '1407', '4261', 'Z', '6921', 'g', '1685', '4497', '7189']

SOLUTION:
47, 7, 13, 2721, 21, 3301, 16, 1407, 4261, 26, 6921, 7, 1685, 4497, 7189