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: ['Y', '3101', 'I', '8049', '807', '475', 'B', 'o', 'J', '9057', '8771', 'd', 'G']

SOLUTION: 25, 3101, 9, 8049, 807, 475, 2, 15, 10, 9057, 8771, 4, 7

PROBLEM: ['5913', '6135', '4167', 'S', '9777', 'S']

SOLUTION: 5913, 6135, 4167, 19, 9777, 19

PROBLEM: ['7633', '2559', '6925', 'I', '987', 'd', '6999', 'v', '4801', 'E', '6021', '9051', '4815', '3429', 'G', '2401', '9969', '1913', 'T', 'T', 'b', 'C', 'j', 'k', 'w', '5769', 'T']

SOLUTION:
7633, 2559, 6925, 9, 987, 4, 6999, 22, 4801, 5, 6021, 9051, 4815, 3429, 7, 2401, 9969, 1913, 20, 20, 2, 3, 10, 11, 23, 5769, 20