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: ['8319', 'g', 'd', 's', '423', 'D', '8091', 'h', 'j', '5375', 'd', 'Q', 'a', 'H', 'k', '4465', 'J', 'h', 's', 'U', 'U', 'a', '9601', '9363', '2739', '141', '4517', '5285', '5901', '4917', '1629', '8941', 'q', '8515', 'Y', 'B', 's', '7471', 'W']

8319, 7, 4, 19, 423, 4, 8091, 8, 10, 5375, 4, 17, 1, 8, 11, 4465, 10, 8, 19, 21, 21, 1, 9601, 9363, 2739, 141, 4517, 5285, 5901, 4917, 1629, 8941, 17, 8515, 25, 2, 19, 7471, 23