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: ['4409', 'H', 'Y', '9967', '151', '5661', '1371', '765', '7743', '3965', 'L', '5241', 'U', '775', 'l', 'h', '9767', 'i', '4245', 'N', 'q', 'Q']

4409, 8, 25, 9967, 151, 5661, 1371, 765, 7743, 3965, 12, 5241, 21, 775, 12, 8, 9767, 9, 4245, 14, 17, 17