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: ['9221', 'B', '1363', 'e', '4313', 'i', 'A', 'N', 'Z', 'g', 'Z', 'X']

9221, 2, 1363, 5, 4313, 9, 1, 14, 26, 7, 26, 24