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: ['4889', 'T', 'K', '3035', '9295', 'M', '1269', 'I', '1701', 'a', 'w', '6657', '309', '7011', 'h', 't', '39', 'F', 'M', 'y', '2957', '4891']

4889, 20, 11, 3035, 9295, 13, 1269, 9, 1701, 1, 23, 6657, 309, 7011, 8, 20, 39, 6, 13, 25, 2957, 4891