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: ['e', 'q', 'V', '7391', 'B', '6165', 'E', '7819', '5201', '3627', 'w', 'B', '4739', 't', 'T', '3645', '1679', 'n', 'D', '9009', '963', 'L', '4999', 'M', '2303', '8273', '6491', 'I', '4639', 'a', 'K', 'm', 'F', '8237', '7551', 'U', 'c', '7777']

5, 17, 22, 7391, 2, 6165, 5, 7819, 5201, 3627, 23, 2, 4739, 20, 20, 3645, 1679, 14, 4, 9009, 963, 12, 4999, 13, 2303, 8273, 6491, 9, 4639, 1, 11, 13, 6, 8237, 7551, 21, 3, 7777