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.

[EX Q]: ['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']
[EX A]: 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

[EX Q]: ['8473', 'R', 'm', 'D', 'A', '723', 'Q', 'r']
[EX A]: 8473, 18, 13, 4, 1, 723, 17, 18

[EX Q]: ['M', '9699', '3477', '5159', 'h', 'y', '3447', 'E', 'E', '835', '9681', 'q', '2633', 's', 'v', '4955', 'G', 'i', 'A', 'C', '5339', 'z', '1691', '2287', '8335', 'l']
[EX A]:
13, 9699, 3477, 5159, 8, 25, 3447, 5, 5, 835, 9681, 17, 2633, 19, 22, 4955, 7, 9, 1, 3, 5339, 26, 1691, 2287, 8335, 12