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.

['P', '4337', 'q', '9481', '7859', 'E', '1813', '2611', '1647', 'X', '4807', '253', '3465', 'o', 'p', 'z', 'K', 'z', 'P', 'l', 'Z', '5635', '7601', 'u', 'e', '2255', 'v', '6357', 'S']
16, 4337, 17, 9481, 7859, 5, 1813, 2611, 1647, 24, 4807, 253, 3465, 15, 16, 26, 11, 26, 16, 12, 26, 5635, 7601, 21, 5, 2255, 22, 6357, 19

['G', 'j', '669', 'B', 'z', 'N', 'z', '7507', '1363', 'q', '9449', '9917', '6629', 'v', 'C', 'I', 'y', 'I', '6919', 'v', '2189', '741']
7, 10, 669, 2, 26, 14, 26, 7507, 1363, 17, 9449, 9917, 6629, 22, 3, 9, 25, 9, 6919, 22, 2189, 741

['x', 't', 'Z', '9827', 'k', 's', 'W', 'E', 'n', 'm', 'F', 'f', 'h', 'Q', '1885', 't', '6551', '8989', '9677', 'w', 'Z', 'U', '3721', '1577', '3333', '4311', 'G', 'i', '6495', 'd', '6255', 'h', '2133', '1797', 'u', 'q']

24, 20, 26, 9827, 11, 19, 23, 5, 14, 13, 6, 6, 8, 17, 1885, 20, 6551, 8989, 9677, 23, 26, 21, 3721, 1577, 3333, 4311, 7, 9, 6495, 4, 6255, 8, 2133, 1797, 21, 17