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: ['3365', '5163', 'q', '4237', 'H', 'b', 'q', 'X', '4401', '3835', '5613', 'f', 'e', 'S', 'Y', 'F', '1505']

3365, 5163, 17, 4237, 8, 2, 17, 24, 4401, 3835, 5613, 6, 5, 19, 25, 6, 1505