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.

['d', '3883', 'I', 'F', '6891', 'G', 'c', '9833', 'F', '3731', 'a', '5267', '5617', '6639', '2861', '7319', '451', 'i', 't', 'k', 'B', '5613', 'T', 'A', 'S', '2435', '5807', '9405', '3453', '1829', 'R', '869', 'X', 'h', '1097', 'B', '3369', 't', 'B']
4, 3883, 9, 6, 6891, 7, 3, 9833, 6, 3731, 1, 5267, 5617, 6639, 2861, 7319, 451, 9, 20, 11, 2, 5613, 20, 1, 19, 2435, 5807, 9405, 3453, 1829, 18, 869, 24, 8, 1097, 2, 3369, 20, 2

['9121', 'x', '3517', '3797', '9865', 'P', '2171', 'a', 'm', 'J', 'f', 'p', '5385']
9121, 24, 3517, 3797, 9865, 16, 2171, 1, 13, 10, 6, 16, 5385

['i', 'r', '6983', '8531', '9177', 'k', 'j', 'b', '547', 'Y', 'w', 'W', '6071', '7535', '6531', 'x', 'o', '2625', '739', '4767', '3295', 'a', 'S', 'v', '5015', 's', '9627', '8719', '7407', '7347', 'E']

9, 18, 6983, 8531, 9177, 11, 10, 2, 547, 25, 23, 23, 6071, 7535, 6531, 24, 15, 2625, 739, 4767, 3295, 1, 19, 22, 5015, 19, 9627, 8719, 7407, 7347, 5