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: ['w', 'z', '6737', 'r', 'K', 'J', '5725', '9059', 'y', 'o', 'm', '1215', '9895', '2519', '9603', '7443', 'n', 'f', 'N', 'J', '5257', 'T', 'Z', 'g', '2499', '7045']

23, 26, 6737, 18, 11, 10, 5725, 9059, 25, 15, 13, 1215, 9895, 2519, 9603, 7443, 14, 6, 14, 10, 5257, 20, 26, 7, 2499, 7045