Definition: 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.
Input: ['6683', '4247', '5637', '4963', 'N', 'V', '8329', '8733', '4169', '5077', '5065', 'n', '1641', 'a', 'v', 'p', '8119', '5249', 'A', '4569', 'b', 'N', '6617', 'Q', '3037', '797', '1269', 'g', 'e', 'y', 'w', 'q', 'B', '7143', '9989', 'x', 'L', 'z', 'i', 'j']

6683, 4247, 5637, 4963, 14, 22, 8329, 8733, 4169, 5077, 5065, 14, 1641, 1, 22, 16, 8119, 5249, 1, 4569, 2, 14, 6617, 17, 3037, 797, 1269, 7, 5, 25, 23, 17, 2, 7143, 9989, 24, 12, 26, 9, 10