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: ['2131', '6319', 'K', '3755', '8997', '7043', '5947', 'e', 'Z', 'd', 's', '2557', '9445', 'q', '2933', 'q', '7325', 'X', 'T', '1791', '6525', 'b', '8541', '3023', '2623', '223', '2691', 'X', '271', '6079', '9915', 'r', '5857', '4109', '651', 'K', '7179', 'z', 'l', 'C']

2131, 6319, 11, 3755, 8997, 7043, 5947, 5, 26, 4, 19, 2557, 9445, 17, 2933, 17, 7325, 24, 20, 1791, 6525, 2, 8541, 3023, 2623, 223, 2691, 24, 271, 6079, 9915, 18, 5857, 4109, 651, 11, 7179, 26, 12, 3