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: ['9655', '599', '2247', 'R', '2341', 'J', '9593', 'R', '9455', 'y', 'D', 'G', 'Q']

9655, 599, 2247, 18, 2341, 10, 9593, 18, 9455, 25, 4, 7, 17