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: ['8073', '3391', 'q', '7375', '4181', '4557', '8597', '285', 'g', 'h', '6607', '3687', '8247', 'z', 'q', '3713', '5307', '7763', 'I', 'T', 'w', 'Y', '7639', '4141', 'V', 'H', 'z', '109', 'N', '7997', 'z', '417']

8073, 3391, 17, 7375, 4181, 4557, 8597, 285, 7, 8, 6607, 3687, 8247, 26, 17, 3713, 5307, 7763, 9, 20, 23, 25, 7639, 4141, 22, 8, 26, 109, 14, 7997, 26, 417