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: ['H', '6087', '1569', 'w', 'w', 'L', '111', '2287', '2011', 'b']

8, 6087, 1569, 23, 23, 12, 111, 2287, 2011, 2