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: ['3225', 'q', '2287', '6891', 'I', '465', '1761', '5329', '8613', 'r', '2005', 'b', 'f', 'C', 'N', 'x', '6421', 'h', 'Y', '1167', '591', '8213', '7449', '8781', '5655', '7417', '3343', '7369', '2629', 'i', 'P', '4845', '8301', 'I', '4723', 'P', 'x']

3225, 17, 2287, 6891, 9, 465, 1761, 5329, 8613, 18, 2005, 2, 6, 3, 14, 24, 6421, 8, 25, 1167, 591, 8213, 7449, 8781, 5655, 7417, 3343, 7369, 2629, 9, 16, 4845, 8301, 9, 4723, 16, 24