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: ['i', 'j', 'h', '3397', '5299', '2219', 'M', '797', '3897', '6563', 'n', 'j', '8495', 'k', 'O', 'p', 'S', 'A', '8365', 'Z', 'x', '6381', 'S', 'b', 'V', '5185', '1595', 'o', '9783', '8815']

9, 10, 8, 3397, 5299, 2219, 13, 797, 3897, 6563, 14, 10, 8495, 11, 15, 16, 19, 1, 8365, 26, 24, 6381, 19, 2, 22, 5185, 1595, 15, 9783, 8815