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.

['K', '4665', '7541', '2649', '9007', '3267', '929', 'B', 'K']
11, 4665, 7541, 2649, 9007, 3267, 929, 2, 11

['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

['q', '8519', 'T', '6859', '5397', '3753', '2057', '5723', 'T', 'R', '7807', 'h', '9507', '7865', '8513', '2309', 'j', 'n', 'P', 'a', '8971', 'U', '7927', '875', '3315', 'E', 't']

17, 8519, 20, 6859, 5397, 3753, 2057, 5723, 20, 18, 7807, 8, 9507, 7865, 8513, 2309, 10, 14, 16, 1, 8971, 21, 7927, 875, 3315, 5, 20