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: ['X', 'i', 'Q', 'P', '8209', 'F', 'P', 'j', '6015', 'i', 'n', '3065', '3247', '8367', '2245', '8489', 'W', '6645', 'n', 'f', '5613', '8981', 'Q', '7211', 'b', 'X', '8065', 'v', '5873', '7711', 'h', 'G', 'G']

24, 9, 17, 16, 8209, 6, 16, 10, 6015, 9, 14, 3065, 3247, 8367, 2245, 8489, 23, 6645, 14, 6, 5613, 8981, 17, 7211, 2, 24, 8065, 22, 5873, 7711, 8, 7, 7