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: ['9579', 'B', 'q', '181', '2955', 'q', 'I', 'L', 'g', '1357', '5797', '7917', 'd', '5745', '5591', '5687', 'a', '1219', 'd', '3849', 'z', '4695', 'j', '4133', '8689', 'r', 'W', 'I', 'p', '9971', '5525']

SOLUTION: 9579, 2, 17, 181, 2955, 17, 9, 12, 7, 1357, 5797, 7917, 4, 5745, 5591, 5687, 1, 1219, 4, 3849, 26, 4695, 10, 4133, 8689, 18, 23, 9, 16, 9971, 5525

PROBLEM: ['U', 'C', '7173', 'r', 'Z', 'e', '4057', '5191', 'k', '73', '9335', '6143', '8871', '6023', '5765', 'O', '5379', '5269', '9935', 'K', 'V', '7561', 'j', 'R', 'o', '9207', 'F', '7169', '9941', 'm', 'J', '4203', 'k', 'B', 'G']

SOLUTION: 21, 3, 7173, 18, 26, 5, 4057, 5191, 11, 73, 9335, 6143, 8871, 6023, 5765, 15, 5379, 5269, 9935, 11, 22, 7561, 10, 18, 15, 9207, 6, 7169, 9941, 13, 10, 4203, 11, 2, 7

PROBLEM: ['4501', 'd', 'E', '927', '4597', 'l', '5381', 'q', '3553', 'e', '8499', '9811', 'l', 'b', '9795', 'e', 'e', '8733', '3645', 'e', 'J', '3921', '4579', 't', 'V', '8461', 'N', 'V', '5471', 'W', '31', '5591', 'V', 'g', 'n', 'g', '5505']

SOLUTION:
4501, 4, 5, 927, 4597, 12, 5381, 17, 3553, 5, 8499, 9811, 12, 2, 9795, 5, 5, 8733, 3645, 5, 10, 3921, 4579, 20, 22, 8461, 14, 22, 5471, 23, 31, 5591, 22, 7, 14, 7, 5505