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: ['3735', '3597', 'Y', 'N', '3667', 'V', '7727', '2745', 'Z', '1365', 'S', '845', '1395', 'v', '3407', '1495', 'r', '143', 'L', '3395', '833', 'V', 'A', 'C', 'f', '5197', '2997', '7185', 'Q', 'g', 'F', '1405']

3735, 3597, 25, 14, 3667, 22, 7727, 2745, 26, 1365, 19, 845, 1395, 22, 3407, 1495, 18, 143, 12, 3395, 833, 22, 1, 3, 6, 5197, 2997, 7185, 17, 7, 6, 1405