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: ['X', 'S', 'Q', '801', 'U', '6613', '4053', 'z', 'Q', 'j', '1899', '9485', '635', '6291', 'Z', 'l', 'F', 'Z', '4165', '3281', 'C', '2849', '9691', 'q', '4835', '8733', 'k', '6381', 't', '3823', '8263', 'o', 'S', '4735', '1265', '321', 'Y']

SOLUTION: 24, 19, 17, 801, 21, 6613, 4053, 26, 17, 10, 1899, 9485, 635, 6291, 26, 12, 6, 26, 4165, 3281, 3, 2849, 9691, 17, 4835, 8733, 11, 6381, 20, 3823, 8263, 15, 19, 4735, 1265, 321, 25

PROBLEM: ['4511', '3187', 'A', '4469', '7071', 'd', '3401', '4495', 'D', 'O', '1637', 'X', '4547', '4637', 'S', 'D', '4555', '7091', 'N', '1603', 'n', 'O', '429', '6795', 'm', '8921', '5357', '101', '7671', '7121', '2667']

SOLUTION: 4511, 3187, 1, 4469, 7071, 4, 3401, 4495, 4, 15, 1637, 24, 4547, 4637, 19, 4, 4555, 7091, 14, 1603, 14, 15, 429, 6795, 13, 8921, 5357, 101, 7671, 7121, 2667

PROBLEM: ['2375', '5073', 'T', 'd', 'i', '3681', 'k', 's', '8513', 'N', '5143', 'r', '9799', 'a', 'i', 'F', 'E', '2845', '2291', 'x', 'Z', '4671', 'B', 'L', 'u', '9229', '9273', '9673', 'A', '7419', '2243', '4575', '8871', '4195', '2475', '6327', 'n', 'f']

SOLUTION:
2375, 5073, 20, 4, 9, 3681, 11, 19, 8513, 14, 5143, 18, 9799, 1, 9, 6, 5, 2845, 2291, 24, 26, 4671, 2, 12, 21, 9229, 9273, 9673, 1, 7419, 2243, 4575, 8871, 4195, 2475, 6327, 14, 6