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: ['2375', '5073', 'T', 'd', 'i', '3681', 'k', 's', '8513', 'N', '5143', 'r', '9799', 'a', 'i', 'F', 'E', '2845', '2291', 'x', 'Z', '4671', 'B', 'L', 'u', '9229', '9273', '9673', 'A', '7419', '2243', '4575', '8871', '4195', '2475', '6327', 'n', 'f']

SOLUTION: 2375, 5073, 20, 4, 9, 3681, 11, 19, 8513, 14, 5143, 18, 9799, 1, 9, 6, 5, 2845, 2291, 24, 26, 4671, 2, 12, 21, 9229, 9273, 9673, 1, 7419, 2243, 4575, 8871, 4195, 2475, 6327, 14, 6

PROBLEM: ['s', '7331', '8643', 'z', 'J', '6141', '6597', 'F', '95']

SOLUTION: 19, 7331, 8643, 26, 10, 6141, 6597, 6, 95

PROBLEM: ['951', 'Q', '7521', 'U', 'm', 'W', '2597', '8493', '5641', '7459', '5085', 'Y', '1529', 'D', 'M', 'z', '2251', 'z', 'F', 'z', 'T', '2743', '1999', '6165', 'Y', '5187', 'v', '195', '4955', 'Q', '9337', '8577']

SOLUTION:
951, 17, 7521, 21, 13, 23, 2597, 8493, 5641, 7459, 5085, 25, 1529, 4, 13, 26, 2251, 26, 6, 26, 20, 2743, 1999, 6165, 25, 5187, 22, 195, 4955, 17, 9337, 8577