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: ['2343', 'U', 'h', 'z', 'O', 'f', 'k', '7277', 's', '6913', '5391', 'a', 'y', '8849', '829', 'k', '165', '391', 'H', '4149', 'n', '6687', '7885', 'L', '1653', '2417', 'A', '3653', '8079', 'L', '6337', 'Q', '5571']

SOLUTION: 2343, 21, 8, 26, 15, 6, 11, 7277, 19, 6913, 5391, 1, 25, 8849, 829, 11, 165, 391, 8, 4149, 14, 6687, 7885, 12, 1653, 2417, 1, 3653, 8079, 12, 6337, 17, 5571

PROBLEM: ['K', 'o', '1035', '135', 'J', '2963', 'Q', 't', 'o', 'v', 'I', 'f', '5627', '643', 'p', 'R', 'n', '635', '7751', 't', '2461', 'c', '181', '9441', 'W', 'w']

SOLUTION: 11, 15, 1035, 135, 10, 2963, 17, 20, 15, 22, 9, 6, 5627, 643, 16, 18, 14, 635, 7751, 20, 2461, 3, 181, 9441, 23, 23

PROBLEM: ['t', '9861', 'y', '6817', 'Q', 'C', '3147', 'q', 'a', '5605', 'd', '5845', '227', '1015', '9173', '4879', '2375', '2461', 'b', 'p', 'd', '3049', '575', '4935']

SOLUTION:
20, 9861, 25, 6817, 17, 3, 3147, 17, 1, 5605, 4, 5845, 227, 1015, 9173, 4879, 2375, 2461, 2, 16, 4, 3049, 575, 4935