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: ['9795', 'l', 'L', '4391', 'B', 'O', 'h', '5251', '3477', 'v']

9795, 12, 12, 4391, 2, 15, 8, 5251, 3477, 22