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.

Example Input: ['b', 'u', 'r', '3453', '1663', 'b', '651', 'R', 'U', 'U', 'a', 'b', '2769', 'C']
Example Output: 2, 21, 18, 3453, 1663, 2, 651, 18, 21, 21, 1, 2, 2769, 3

Example Input: ['5273', '5539', '993', '8787', 'r', '1413', '3931', 'z', 'g', 'c', 'D', '9909', 'a', 'V', '1657', '2823', 'e', 't', 't', 'b', '3771', '1177', 'f', '855']
Example Output: 5273, 5539, 993, 8787, 18, 1413, 3931, 26, 7, 3, 4, 9909, 1, 22, 1657, 2823, 5, 20, 20, 2, 3771, 1177, 6, 855

Example Input: ['h', 'A', 'Q', 'f', 'A', 'J', 'o', '9579', '5761', '5571', 'n', 'f', '7935', 'D', '4589', 'A', 'u', 'E', '727', '7681', 'W', 'Y']
Example Output:
8, 1, 17, 6, 1, 10, 15, 9579, 5761, 5571, 14, 6, 7935, 4, 4589, 1, 21, 5, 727, 7681, 23, 25