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: ['a', 'F', 'Q', '8811', 'E', 'w', 'm', 'B', '21', 'k', '133', '6385']

1, 6, 17, 8811, 5, 23, 13, 2, 21, 11, 133, 6385