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: ['d', 'g', '5927', 'Q', 'v', 'V', 'L', '5473', 'j', '7221', '2377', 's', 'm', '1717', '7887', 'g', '8545', 'h', 'T', '1383', 's', '4921']

4, 7, 5927, 17, 22, 22, 12, 5473, 10, 7221, 2377, 19, 13, 1717, 7887, 7, 8545, 8, 20, 1383, 19, 4921