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: ['K', 'n', 'S', 'J', 'G', '129', '2153', '6095', '8267']

SOLUTION: 11, 14, 19, 10, 7, 129, 2153, 6095, 8267

PROBLEM: ['o', 'y', 'C', 'L', '507', '7317', '2639', '6933', '797', '383', '4431', 'Z', 'y', '8811', 'O', 'a', 'G', 'Z', 'J', 'q', '1859', '9395', '8505', 'X', 'J', 'x', 'f', 'd', '2263', 'p', '5635', 'y', '9251', 'Z', 'K']

SOLUTION: 15, 25, 3, 12, 507, 7317, 2639, 6933, 797, 383, 4431, 26, 25, 8811, 15, 1, 7, 26, 10, 17, 1859, 9395, 8505, 24, 10, 24, 6, 4, 2263, 16, 5635, 25, 9251, 26, 11

PROBLEM: ['4091', '6309', '5497', 'a', 'x', '4225', 'P', 'd', 'w', '1151', 'h', 'S', 'Y', 'L', '953', 'k', '6869', 'j', '9609', 'K', '9149', '4479', '8557', 'I', 'B', 'm', 'z', 'l', '8833', 'T', 'U', '1563', '2211', '4859']

SOLUTION:
4091, 6309, 5497, 1, 24, 4225, 16, 4, 23, 1151, 8, 19, 25, 12, 953, 11, 6869, 10, 9609, 11, 9149, 4479, 8557, 9, 2, 13, 26, 12, 8833, 20, 21, 1563, 2211, 4859