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: ['8939', 'a', 'C', '611', '8015', 'i', '4581', '4797', 'z', 'J', 'z', 'V', '8753', '5529', 'v', '2885', 'b', 'O', 's', 'v', '6695', '3847', 'R', '6265', '1499', 'Q', 'L', 'v', 'F', '3869', '3135', '1779', '4697', '1845', '1795', '6729', '9227', 'Y', '8731']

SOLUTION: 8939, 1, 3, 611, 8015, 9, 4581, 4797, 26, 10, 26, 22, 8753, 5529, 22, 2885, 2, 15, 19, 22, 6695, 3847, 18, 6265, 1499, 17, 12, 22, 6, 3869, 3135, 1779, 4697, 1845, 1795, 6729, 9227, 25, 8731

PROBLEM: ['6477', '4701', '489', 'X', 'x', 'c', 'm', 'o', '7689', 'f', 'X', 'S', 'u', 'S', 'l', 'v', '1515', '5401', '6707', 'm', 'Z', '6071', 'A', 'f', 'w', 'M', '9297', '3133', 'b', '4689', 'B']

SOLUTION:
6477, 4701, 489, 24, 24, 3, 13, 15, 7689, 6, 24, 19, 21, 19, 12, 22, 1515, 5401, 6707, 13, 26, 6071, 1, 6, 23, 13, 9297, 3133, 2, 4689, 2