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', 'h', 'O', 'x', 'O', '2651', '5011', '8271', '9565', '5323', '6315', 'A', '9417', 'C', '6409', 'C', 'T', 'K', 'o', 'O', '2627', 'Y']

SOLUTION: 14, 8, 15, 24, 15, 2651, 5011, 8271, 9565, 5323, 6315, 1, 9417, 3, 6409, 3, 20, 11, 15, 15, 2627, 25

PROBLEM: ['q', '4857', 'y', '1237', '6297', '8683', '7977', 'r', '5015', 'd', 'G', '2579', '9571']

SOLUTION: 17, 4857, 25, 1237, 6297, 8683, 7977, 18, 5015, 4, 7, 2579, 9571

PROBLEM: ['2043', '8225', 'Z', '2079', '885', '3623', 'H', '8767', '9763', 'f', 't', '4715', 'D', 'E', '4149', 'e', '9863', '6979', '1185', '4043', 'u', 'P', 'o', '6459', '8433', 'u', '1629', 'o', '7107', 'X', '3825', 'f', '3817', '8265', 'B', '497']

SOLUTION:
2043, 8225, 26, 2079, 885, 3623, 8, 8767, 9763, 6, 20, 4715, 4, 5, 4149, 5, 9863, 6979, 1185, 4043, 21, 16, 15, 6459, 8433, 21, 1629, 15, 7107, 24, 3825, 6, 3817, 8265, 2, 497