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: ['6565', '9245', '4507', 'M', '8635', '5317', '2627', '3259', 'Q', '1657', 'j', '4965', 'N', '9865', '3467', '3015', 'Q', 'R', '4155', 'v', 'B', 'K', '6497', 'h', '7489', '8461', 'X', 'T', '8977', '9059', 'z', '3301', 'b', 'v', 'q', 'X', 'U', '1013']

6565, 9245, 4507, 13, 8635, 5317, 2627, 3259, 17, 1657, 10, 4965, 14, 9865, 3467, 3015, 17, 18, 4155, 22, 2, 11, 6497, 8, 7489, 8461, 24, 20, 8977, 9059, 26, 3301, 2, 22, 17, 24, 21, 1013