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: ['7179', '4733', '1481', '2599', '1301', 's', 'f', '6391', 'K', 'A', 'T', '8665', '685', '1283', '1129', 'B', '1699', '537', 'E', 'a', '279', '4289', 'g', '9439', '9715', 'v', '8277', '4489']

7179, 4733, 1481, 2599, 1301, 19, 6, 6391, 11, 1, 20, 8665, 685, 1283, 1129, 2, 1699, 537, 5, 1, 279, 4289, 7, 9439, 9715, 22, 8277, 4489