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: ['T', 'q', '8605', 'G', 'Y', 'f', '2733', '8979', '2599', 'x', '9447', '8129', 'I', 'L', 'E', '7215', 'f', 'P', '6851', '5969', '4091', '83', 'T']

20, 17, 8605, 7, 25, 6, 2733, 8979, 2599, 24, 9447, 8129, 9, 12, 5, 7215, 6, 16, 6851, 5969, 4091, 83, 20