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.

['B', '1491', 'Q', 'y', 'D', 'b', '1667', 'W', '9611', '3105', 'Z', '3705', '9391']
2, 1491, 17, 25, 4, 2, 1667, 23, 9611, 3105, 26, 3705, 9391

['Q', '8921', '7131', '9247', '3351', '4689', 'L', 'O', 'N', 'g', 'Q', '413']
17, 8921, 7131, 9247, 3351, 4689, 12, 15, 14, 7, 17, 413

['4543', 'e', '9589', 'h', 'a', '3761', '3917', '5703', 'Y', '2331', 'o', '6267', 'o', '3555', '8543', '7181', '9155', '6607', '9017', 'X']

4543, 5, 9589, 8, 1, 3761, 3917, 5703, 25, 2331, 15, 6267, 15, 3555, 8543, 7181, 9155, 6607, 9017, 24