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.

['5223', '3529', 'k', 'o', 'K', '6357', '6631', '6471', 'a']
5223, 3529, 11, 15, 11, 6357, 6631, 6471, 1

['647', 'h', '6029', 'r', '7851', 'g', 'u', '9383', '4033', 'i', 'N', '3515', '9369', 'h', '8997', 'H', 'Y', 'k', '1505', 'L', 'F', '3311', '3475', 'a', '6047', '8745', '9905', '6131', '3893', '9329', 'f', '9549', '2777', '2191', '369', '3691', '489', 't', '8239', 'm']
647, 8, 6029, 18, 7851, 7, 21, 9383, 4033, 9, 14, 3515, 9369, 8, 8997, 8, 25, 11, 1505, 12, 6, 3311, 3475, 1, 6047, 8745, 9905, 6131, 3893, 9329, 6, 9549, 2777, 2191, 369, 3691, 489, 20, 8239, 13

['311', '3053', 'K', '2651', 'o', 'A', 'H', 'X', 'w', 'B', '587', '4139', '6529', 'W', 'U', '5227', '2073', 'Q', '4507', '9173', 'N', '4517', '6663', '661', '6757', 'w', '1585', '5865', 'Q', '3641', 'O', '5439', '1163', 'N', '2255', '1377', 'B', 'L']

311, 3053, 11, 2651, 15, 1, 8, 24, 23, 2, 587, 4139, 6529, 23, 21, 5227, 2073, 17, 4507, 9173, 14, 4517, 6663, 661, 6757, 23, 1585, 5865, 17, 3641, 15, 5439, 1163, 14, 2255, 1377, 2, 12