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: ['9221', '5093', 'x', '4343', '5391', 'B', '331', '2219', 'P', '1085', '711', 'a', 'J', '153', '5943', '7347', 'e', '917', '9631', '9209', 'k', 'Q', 'f', 'w', '4407', '5487']

9221, 5093, 24, 4343, 5391, 2, 331, 2219, 16, 1085, 711, 1, 10, 153, 5943, 7347, 5, 917, 9631, 9209, 11, 17, 6, 23, 4407, 5487