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', 'N', '5297', 't', '7085', 'V', 'O', '4223', '2501', '1667', '6461', '2925', '7611', '4489', 'j', '9979', '7021', '2755', '3055', '2887', 'X', '2441', 'K']

20, 14, 5297, 20, 7085, 22, 15, 4223, 2501, 1667, 6461, 2925, 7611, 4489, 10, 9979, 7021, 2755, 3055, 2887, 24, 2441, 11