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: ['6583', '5359', 'N', '2511', '5699', 'w', 'M', 'S', '1233', '1157', '963', '4861', '5289', 'w', 'I', 'J', '53', '9697', 'Q', 'y', 'h', '7053']

6583, 5359, 14, 2511, 5699, 23, 13, 19, 1233, 1157, 963, 4861, 5289, 23, 9, 10, 53, 9697, 17, 25, 8, 7053