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: ['9081', 's', 'x', '7179', 'G', 'D', '3895', 'X', '3843', 'I', 'X', 'A', '835']

9081, 19, 24, 7179, 7, 4, 3895, 24, 3843, 9, 24, 1, 835