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: ['r', 'E', '5611', '5407', '9297', '9563', 'C', 'd', 'D', 'W', '9751', '8139', 'S', '4437', '2331', '2487', 'r', '5649', '5099', '1255', '5865', 'Y', '1477', '1939', '9525', '6353', '7327', '5043', '2837', 'N', 't', 'R', 'R', 'T', 'Z', '353', '7545', 'V', '9287', '8973']

SOLUTION: 18, 5, 5611, 5407, 9297, 9563, 3, 4, 4, 23, 9751, 8139, 19, 4437, 2331, 2487, 18, 5649, 5099, 1255, 5865, 25, 1477, 1939, 9525, 6353, 7327, 5043, 2837, 14, 20, 18, 18, 20, 26, 353, 7545, 22, 9287, 8973

PROBLEM: ['a', '8765', 'T', '815', '2407', 'j', 'C', 'g', 'M', '1377', 'L', 'm', 'L', '5553', 'Z', 'g', '7403', 'W', 'H', '7521', 'R', '3921', 'I']

SOLUTION: 1, 8765, 20, 815, 2407, 10, 3, 7, 13, 1377, 12, 13, 12, 5553, 26, 7, 7403, 23, 8, 7521, 18, 3921, 9

PROBLEM: ['1625', 'W', 'W', '6417', 'X', 'c', 'M', 'F', '6083', 'F', '6725', 'Y', '1613', 'E', 'h', '6423', 'n', 'u', 'V', '6575', '4911', 'G', 'F', '1877', 'V', '145', 'o', '4153', 'W', '2697', 'O', 'Z', '583', 'A', '6819', '945', 'V', '2327', '5187', '4305']

SOLUTION:
1625, 23, 23, 6417, 24, 3, 13, 6, 6083, 6, 6725, 25, 1613, 5, 8, 6423, 14, 21, 22, 6575, 4911, 7, 6, 1877, 22, 145, 15, 4153, 23, 2697, 15, 26, 583, 1, 6819, 945, 22, 2327, 5187, 4305