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: ['X', '3237', 'H', '2623', 'z', '8309', 'W', '8249', 'c', '7019', '2073', 'G', 'H', 'i', '8293', '2617', 'a', 'H', 'c', 'D', 'E', 'G', 'e', 'u', 'D', '2845']

SOLUTION: 24, 3237, 8, 2623, 26, 8309, 23, 8249, 3, 7019, 2073, 7, 8, 9, 8293, 2617, 1, 8, 3, 4, 5, 7, 5, 21, 4, 2845

PROBLEM: ['I', '1955', 'O', 'F', 's', '6579', 'x', '5185', '1041', 'Q', 'F', 'C', '9569', '8555', '3131', '8219', '3817', 'Z', '9207', 'y', '9481', '5347', '37', '4613', '9439', 'o', '8293', '5989', '7801']

SOLUTION: 9, 1955, 15, 6, 19, 6579, 24, 5185, 1041, 17, 6, 3, 9569, 8555, 3131, 8219, 3817, 26, 9207, 25, 9481, 5347, 37, 4613, 9439, 15, 8293, 5989, 7801

PROBLEM: ['291', 'W', 'L', 'e', 'N', '4361', '2957', 'T', '3319', '191', 'R', '7203', 'L', '3055', '3425', '5323', 'U', 'N', '445']

SOLUTION:
291, 23, 12, 5, 14, 4361, 2957, 20, 3319, 191, 18, 7203, 12, 3055, 3425, 5323, 21, 14, 445