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', '675', 'V', 'g', 'e', 'q', '2641', 'x', '2685', 's', 'Q', '3767', 'H', 'k', 's', '519', '1171', '9255', 'L', '2943', '2183', 'z', '403', 'V', 'G', '6521']

SOLUTION: 25, 675, 22, 7, 5, 17, 2641, 24, 2685, 19, 17, 3767, 8, 11, 19, 519, 1171, 9255, 12, 2943, 2183, 26, 403, 22, 7, 6521

PROBLEM: ['2789', '7795', 'b', 'I', 'A', '1921', 'K', 'm', 'D', 'J', '8865', '559', 'a', '7693', 'h', 'y', '7171', 'L', 'o', '7377', '9751', '963']

SOLUTION: 2789, 7795, 2, 9, 1, 1921, 11, 13, 4, 10, 8865, 559, 1, 7693, 8, 25, 7171, 12, 15, 7377, 9751, 963

PROBLEM: ['8491', 'O', 'k', 'P', '9179', '9233', 't', '2831', 'A', 't', '5613', '5519', '3177', 'Z', '8547', '1127', 'a', '7741', '2433', 'W', 'i', '6845', '8011', '889', 'A', '7815', 'N', '8051', 'T', 'G', 'M']

SOLUTION:
8491, 15, 11, 16, 9179, 9233, 20, 2831, 1, 20, 5613, 5519, 3177, 26, 8547, 1127, 1, 7741, 2433, 23, 9, 6845, 8011, 889, 1, 7815, 14, 8051, 20, 7, 13