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.
Input: ['7633', '5237', 'd', 'w', 'J', '525', '3289', '3613', 'd', 'b', 'P', 'J', '9759', '9497', 'F', '7137', 'L', 'Z', '6739', 'B', 'A', '7051', '4643', '697', 'K', 'G', '2047', '237']

7633, 5237, 4, 23, 10, 525, 3289, 3613, 4, 2, 16, 10, 9759, 9497, 6, 7137, 12, 26, 6739, 2, 1, 7051, 4643, 697, 11, 7, 2047, 237