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: ['9771', '7527', '5781', 'a', '715', '8207', 'j', 'v', 'p', '2799', '1573', 'M', '5851', 'v', 'b', 'Q', '823', 'V', '7883', 'L', 'a', 'N', '4263', 'w']

9771, 7527, 5781, 1, 715, 8207, 10, 22, 16, 2799, 1573, 13, 5851, 22, 2, 17, 823, 22, 7883, 12, 1, 14, 4263, 23