TASK 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.
PROBLEM: ['35', '8319', '8157', 'E']

SOLUTION: 35, 8319, 8157, 5

PROBLEM: ['P', '3561', '1457', 'V', '8483', '4861', '9267', '9767', '8693', '6153', '9681', 'h', 'D', '7019', '3563', 'x', '1831', 'I', '3741', 'q', 'Q', '9885', '9603']

SOLUTION: 16, 3561, 1457, 22, 8483, 4861, 9267, 9767, 8693, 6153, 9681, 8, 4, 7019, 3563, 24, 1831, 9, 3741, 17, 17, 9885, 9603

PROBLEM: ['o', '1705', '7557', 'Q', 'Q', '6997', 'e', 'b', 'H', '431', 'Q', '3009', '6945', '8317', 'a', '7665', '4273', '1875', '5143', '1485', 'i', 'z', 'i', '4049', 'L']

SOLUTION:
15, 1705, 7557, 17, 17, 6997, 5, 2, 8, 431, 17, 3009, 6945, 8317, 1, 7665, 4273, 1875, 5143, 1485, 9, 26, 9, 4049, 12