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', '4847', '4767', 'w', '8241', 'K', '8017', '7017', 'k', 'D', '6223', 'I', '1293', 'X', '6437', 'b', '2099', '2261', 'F', 'C', '9347', '3971', '5111', '4691', '311', 'm', 'L', 'q', '3899', '9859']

9, 4847, 4767, 23, 8241, 11, 8017, 7017, 11, 4, 6223, 9, 1293, 24, 6437, 2, 2099, 2261, 6, 3, 9347, 3971, 5111, 4691, 311, 13, 12, 17, 3899, 9859