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: ['1711', '6031', '735', '7135', 'c', '593', '6573', 'c', 'X', '2099', '1499', '4185', 'H', 'E', '271', 'H', '7369', '5713', 'D', 'Q', '3101', 'J', '4229', 'k', 'a', '8649', 'f', 'L', '4589', '3853', '6265', '7521', 'j', 'I', '811', '5305', 'c']

1711, 6031, 735, 7135, 3, 593, 6573, 3, 24, 2099, 1499, 4185, 8, 5, 271, 8, 7369, 5713, 4, 17, 3101, 10, 4229, 11, 1, 8649, 6, 12, 4589, 3853, 6265, 7521, 10, 9, 811, 5305, 3