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: ['1743', '1035', 'e', 'W', 'w', '7257', '2063', 's', 'R', 'N', 'P', 'B', 'n', 'L', '8629', '4121', 'X', 'w', '6967', 'U', '2075', '9555', '5643', 'V', 'F', '2239', '6391', 'E', 'H', '3269', '4077', '5023', '9935']

1743, 1035, 5, 23, 23, 7257, 2063, 19, 18, 14, 16, 2, 14, 12, 8629, 4121, 24, 23, 6967, 21, 2075, 9555, 5643, 22, 6, 2239, 6391, 5, 8, 3269, 4077, 5023, 9935