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: ['p', '8905', '2809', 'z', 'b', 'V', '749', '6755', '6321', '8031', '821', 'r', 's', '7411', 'F', '3639', 'I', 'B', '723', 'P', 'O', '4033', '223', 'J']

16, 8905, 2809, 26, 2, 22, 749, 6755, 6321, 8031, 821, 18, 19, 7411, 6, 3639, 9, 2, 723, 16, 15, 4033, 223, 10