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', '8349', 'v', 'B', '6385', '6105', '3859', '3535', '8279', 'Z', '4157', 'N']

SOLUTION: 18, 8349, 22, 2, 6385, 6105, 3859, 3535, 8279, 26, 4157, 14

PROBLEM: ['n', '8891', 'A', 'A', '3927', '7777', 't', 'E', 'A', 'T', 'S', '9711', 'z', 'o', '2661', 'i', 'o', '3391', 'C', '331', 'r', '5697', 'G', 'H', '3341', 'k', 'R', 'C', '7805', 'L', 'Q', 'V', 'A', '55', '8015', 'm', 'k']

SOLUTION: 14, 8891, 1, 1, 3927, 7777, 20, 5, 1, 20, 19, 9711, 26, 15, 2661, 9, 15, 3391, 3, 331, 18, 5697, 7, 8, 3341, 11, 18, 3, 7805, 12, 17, 22, 1, 55, 8015, 13, 11

PROBLEM: ['6683', '4247', '5637', '4963', 'N', 'V', '8329', '8733', '4169', '5077', '5065', 'n', '1641', 'a', 'v', 'p', '8119', '5249', 'A', '4569', 'b', 'N', '6617', 'Q', '3037', '797', '1269', 'g', 'e', 'y', 'w', 'q', 'B', '7143', '9989', 'x', 'L', 'z', 'i', 'j']

SOLUTION:
6683, 4247, 5637, 4963, 14, 22, 8329, 8733, 4169, 5077, 5065, 14, 1641, 1, 22, 16, 8119, 5249, 1, 4569, 2, 14, 6617, 17, 3037, 797, 1269, 7, 5, 25, 23, 17, 2, 7143, 9989, 24, 12, 26, 9, 10