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.

['951', 'Q', '7521', 'U', 'm', 'W', '2597', '8493', '5641', '7459', '5085', 'Y', '1529', 'D', 'M', 'z', '2251', 'z', 'F', 'z', 'T', '2743', '1999', '6165', 'Y', '5187', 'v', '195', '4955', 'Q', '9337', '8577']
951, 17, 7521, 21, 13, 23, 2597, 8493, 5641, 7459, 5085, 25, 1529, 4, 13, 26, 2251, 26, 6, 26, 20, 2743, 1999, 6165, 25, 5187, 22, 195, 4955, 17, 9337, 8577

['1831', '545', 'k', '5975', 'Q', '6421', 'A', 'h', '9831', 'i', 'X', '3289', 'r', 'o', 'y', '7673']
1831, 545, 11, 5975, 17, 6421, 1, 8, 9831, 9, 24, 3289, 18, 15, 25, 7673

['449', '4045', 'r', '4185', 'w', '7613', '5239', 'Z', 'e', '6387', '3803', '1107', 'x', 'D', '1317', 'm', '8347', 'N', 'T', '8985', 'U', '497', '3753', '4415', '1245', 'O', '5017', '9531', '281', '9319', '669', '7927', 'V', 'k', '3045', 'H']
449, 4045, 18, 4185, 23, 7613, 5239, 26, 5, 6387, 3803, 1107, 24, 4, 1317, 13, 8347, 14, 20, 8985, 21, 497, 3753, 4415, 1245, 15, 5017, 9531, 281, 9319, 669, 7927, 22, 11, 3045, 8