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: ['w', '2919', '3341', '2439', 'd', '6535', 'J', 'j', '8439', 'j', 'w', '8323', 'C', '5883', '4089', '8303', 'q', '8183', 'Y', '4663', 'b', 'T', '2489', '7117', 'S', '939']

23, 2919, 3341, 2439, 4, 6535, 10, 10, 8439, 10, 23, 8323, 3, 5883, 4089, 8303, 17, 8183, 25, 4663, 2, 20, 2489, 7117, 19, 939