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: ['4347', 'z', '8559']

SOLUTION: 4347, 26, 8559

PROBLEM: ['j', 'r', 'J', '3855', 'e']

SOLUTION:
10, 18, 10, 3855, 5