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.

['9003', 'i', '881', 'l', 'f', '2663', '1619', 'Y', 'E', 'W', '2869', 'k', 'v', 'c', '9423', 'S', 'G', 'C', 's', '4311', '531', '9789', '937', 'F']
9003, 9, 881, 12, 6, 2663, 1619, 25, 5, 23, 2869, 11, 22, 3, 9423, 19, 7, 3, 19, 4311, 531, 9789, 937, 6

['179', 'f', '7909', '9959', '3649', 'B', 'k', 'I', 's', 'Y', 'a', '6619', '3657', 'G', 'Q', '3647']
179, 6, 7909, 9959, 3649, 2, 11, 9, 19, 25, 1, 6619, 3657, 7, 17, 3647

['y', '9055', 'k', '8681', 'q', 's', '3131', '8417', 'q', 'O', '4435', '4757', 'y', '7727', '6143', '9911', 'b', '5565', '6999', 'I', 'U', '6999', '1331', 'I', 'o', 'Z', '9007', 'w', 'R', '9321', '6671', 'O', 'V', 'b', 'I', '8471', 'c', 'M', '8547']

25, 9055, 11, 8681, 17, 19, 3131, 8417, 17, 15, 4435, 4757, 25, 7727, 6143, 9911, 2, 5565, 6999, 9, 21, 6999, 1331, 9, 15, 26, 9007, 23, 18, 9321, 6671, 15, 22, 2, 9, 8471, 3, 13, 8547