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', 'n', 'i', '9597', '6837', 's', '4089', 'B', '9623', 'Z', '7879', '3499', 'H', 'q', '3421', 'c', 'e', '4899', '4903', '2139', 'T', '5863', 'V', 'u', 'e', 'k', 'x', '3725', 'G', 'E']

9, 14, 9, 9597, 6837, 19, 4089, 2, 9623, 26, 7879, 3499, 8, 17, 3421, 3, 5, 4899, 4903, 2139, 20, 5863, 22, 21, 5, 11, 24, 3725, 7, 5