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: ['3657', '2549', '6479', 'e', '2907', 'F', '6989', 'Q', '2205', '7053', 'v', 'm', 'Z', 'Z', 'e', '9543', 't', 'G', '1883', '2297', 'n', '9985', 'H']

3657, 2549, 6479, 5, 2907, 6, 6989, 17, 2205, 7053, 22, 13, 26, 26, 5, 9543, 20, 7, 1883, 2297, 14, 9985, 8