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.

['4727', 'n', '983', '3675', 't', 'm', '2595', 'x', '9987', '2031', 'D', 'b', 'F', 'T', '3903', '6289', 'u', 'Y', 'l', '393', 'W', '8499', '1557', '7057', 'D', '5287', '2629']
4727, 14, 983, 3675, 20, 13, 2595, 24, 9987, 2031, 4, 2, 6, 20, 3903, 6289, 21, 25, 12, 393, 23, 8499, 1557, 7057, 4, 5287, 2629

['8763', 'k', 'k', '2827', '8269', 'T', '3961', '6589', '4817', '2701']
8763, 11, 11, 2827, 8269, 20, 3961, 6589, 4817, 2701

['m', '639', '8827', 'U', '8899', 'y', 's', '3459', 'q', 'V', '3225', 'f', '9719', '7423', '7825', '2539', '6215', 'r', '3509', '2687', '3823', 'l', 'O', '2551', '7007', 'd', '8129', '3001', '9081', '2437', 'D', 't', '8717', 'x']

13, 639, 8827, 21, 8899, 25, 19, 3459, 17, 22, 3225, 6, 9719, 7423, 7825, 2539, 6215, 18, 3509, 2687, 3823, 12, 15, 2551, 7007, 4, 8129, 3001, 9081, 2437, 4, 20, 8717, 24