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', '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: ['S', 'h', 'O', 'j', 'f', 'Q', 'o', 's', 'r', '5617', '6939']

SOLUTION: 19, 8, 15, 10, 6, 17, 15, 19, 18, 5617, 6939

PROBLEM: ['3007', 'U', 'p', 'C', 'M', '6285', 'B', '3251', 'j', '8387', 'j', 'D', '6561', '2543', 'L', 'Z', 'I', '8763', '2079', '6327', '2519', 'm', '937', 'X', '157', 'j', 'm', '1689', '5567', 'q', 'f', '8117', '9601', '3023', 'z', 'Q', 'W', 'S', '4523', '1745']

SOLUTION:
3007, 21, 16, 3, 13, 6285, 2, 3251, 10, 8387, 10, 4, 6561, 2543, 12, 26, 9, 8763, 2079, 6327, 2519, 13, 937, 24, 157, 10, 13, 1689, 5567, 17, 6, 8117, 9601, 3023, 26, 17, 23, 19, 4523, 1745