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: ['5741', 'D', 'X', '8137', '5905', 'i', '5445', '6427', 'j', 'X', '8865', 'h', '4777', '2211', 'g', 'x', '367', 'b', 's', 'a', '8657', '7739', '325', '9903', '7415', '1855', 'Q', 'Z', '3035', '2929', '109', '179', 'B', 'K', 'I', '6799', '3317', 'x', '815']

5741, 4, 24, 8137, 5905, 9, 5445, 6427, 10, 24, 8865, 8, 4777, 2211, 7, 24, 367, 2, 19, 1, 8657, 7739, 325, 9903, 7415, 1855, 17, 26, 3035, 2929, 109, 179, 2, 11, 9, 6799, 3317, 24, 815