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: ['F', '2767', '8391', '4829', 'C', '2233', '4485', 'd', 'h', '1613', '8367', 'J', '925', '7929', 'a', 'Y', '715', 'm', 'P', '923', '3593', '8703', 'T', 'j']

6, 2767, 8391, 4829, 3, 2233, 4485, 4, 8, 1613, 8367, 10, 925, 7929, 1, 25, 715, 13, 16, 923, 3593, 8703, 20, 10