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: ['g', '5695', 'D', '443', '9191', '4505', '3683', '7369', 'e', 'p', '7049', 'L', '8929', '181', '3663', 'q', '8279', 'S', 'B', '6663', 'T']

7, 5695, 4, 443, 9191, 4505, 3683, 7369, 5, 16, 7049, 12, 8929, 181, 3663, 17, 8279, 19, 2, 6663, 20