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.

['2375', '5073', 'T', 'd', 'i', '3681', 'k', 's', '8513', 'N', '5143', 'r', '9799', 'a', 'i', 'F', 'E', '2845', '2291', 'x', 'Z', '4671', 'B', 'L', 'u', '9229', '9273', '9673', 'A', '7419', '2243', '4575', '8871', '4195', '2475', '6327', 'n', 'f']
2375, 5073, 20, 4, 9, 3681, 11, 19, 8513, 14, 5143, 18, 9799, 1, 9, 6, 5, 2845, 2291, 24, 26, 4671, 2, 12, 21, 9229, 9273, 9673, 1, 7419, 2243, 4575, 8871, 4195, 2475, 6327, 14, 6

['F', '5423', '4407', '5723', 'l', '5383']
6, 5423, 4407, 5723, 12, 5383

['G', '8351', '1151', 'D', 'O', 'b', '7857', 'g', '405', 'h', '2999', 'Q', 'P', '2233', 'R', 'y', 'b', 'R', 'Z', '9609', '5301', 'O', 'q', 'Q', '8741', '9541', 'J', 'e']

7, 8351, 1151, 4, 15, 2, 7857, 7, 405, 8, 2999, 17, 16, 2233, 18, 25, 2, 18, 26, 9609, 5301, 15, 17, 17, 8741, 9541, 10, 5