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: ['Q', '4985', '5689', '8059', 'f', '8571', 'Y', 'R', 'B', 'B', 'i', 'G', 'u', 'y', '2443', '5747', '3469', 'h', 'M', '741', 'r', '9687', 'i', 'i', '7283', '8299', '1299', '6173', 'Y', '6931', '1529', '789', 'u', '8723', 'v', 'h']

17, 4985, 5689, 8059, 6, 8571, 25, 18, 2, 2, 9, 7, 21, 25, 2443, 5747, 3469, 8, 13, 741, 18, 9687, 9, 9, 7283, 8299, 1299, 6173, 25, 6931, 1529, 789, 21, 8723, 22, 8