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: ['3109', '1261', '3083', '3053', 'b', '9183', 'h', 'm', '9263', 'b', '1383', 'y', 'V', 'd', 'S', '6109', '1647', 'F', 'd', '3685', 'b', 'p', '4737', '2093', 'T', 'L', '385', 'U', '3707', '7459', '5983', 'N', 'h', '3557', '7241', 'o', '6905', 'o', 'e', '179']

SOLUTION: 3109, 1261, 3083, 3053, 2, 9183, 8, 13, 9263, 2, 1383, 25, 22, 4, 19, 6109, 1647, 6, 4, 3685, 2, 16, 4737, 2093, 20, 12, 385, 21, 3707, 7459, 5983, 14, 8, 3557, 7241, 15, 6905, 15, 5, 179

PROBLEM: ['997', '3843', '5991', '5415', 'U', 'V', '619', '9381', 'a', 'o', '9493', 'M', 'E', 'g', '9989', '9243']

SOLUTION: 997, 3843, 5991, 5415, 21, 22, 619, 9381, 1, 15, 9493, 13, 5, 7, 9989, 9243

PROBLEM: ['O', '9453', 'O', 'M', 'A', 'y', 't', '7169', 'Q', 'l', '8669', '867']

SOLUTION:
15, 9453, 15, 13, 1, 25, 20, 7169, 17, 12, 8669, 867