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: ['Y', 'I', 'B', 'U', 'f', '5835', 'l', 'D', '3619', '5459', 'w', 'N', 'D', '7649', 'L', '8443', 'l', 's', 'm', 'K', 'L', '1997', '8041', '5875', 'L', 'r']

SOLUTION: 25, 9, 2, 21, 6, 5835, 12, 4, 3619, 5459, 23, 14, 4, 7649, 12, 8443, 12, 19, 13, 11, 12, 1997, 8041, 5875, 12, 18

PROBLEM: ['6165', '541', 'b', 'V', '7571', 'W', 'E', '1647', 'F', 'O', 'Y', 'X', 'H', '2013', '7745', '7049', '359', '7465', 'j', '9925', 'Z', 'G']

SOLUTION:
6165, 541, 2, 22, 7571, 23, 5, 1647, 6, 15, 25, 24, 8, 2013, 7745, 7049, 359, 7465, 10, 9925, 26, 7