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: ['A', '6373', '5813', 'V', 'm', '7243', 'a', 'q', '7423', 'I', 'f', 'H', '5207', 'J', 'T', 'N', '333', '1837', 'T', '8073', 'h', '7045', '5005', 'R', '261', 'p', '6587', '5797', 'j', '1193', 'W', 'm', '827']

1, 6373, 5813, 22, 13, 7243, 1, 17, 7423, 9, 6, 8, 5207, 10, 20, 14, 333, 1837, 20, 8073, 8, 7045, 5005, 18, 261, 16, 6587, 5797, 10, 1193, 23, 13, 827