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: ['8003', '3547', 'v', 'Z', 'h', '1005', 'v', '2025', '8585', 'L', '3523', '7361', 'B', 'E', '5697', '4777', 'Q', 'r', '8947', 'G', 'd', '9447', 'O', 'R', '385', 'n', '3973', 'w', '7247', '4365', 'F', '555', '3555', '547', '8345', 'm', 'O', '343', 't']

8003, 3547, 22, 26, 8, 1005, 22, 2025, 8585, 12, 3523, 7361, 2, 5, 5697, 4777, 17, 18, 8947, 7, 4, 9447, 15, 18, 385, 14, 3973, 23, 7247, 4365, 6, 555, 3555, 547, 8345, 13, 15, 343, 20