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: ['A', '8443', '6489', '2375', 'X', 'z', 'G', '455', '7057', '1901', '9045', 'I', 'L', 'j', '9079', '3525', 'H', '691', '1215', '801', 'T', 'J', 'a', '2543', '6805', '651', 'R', 'r', 'Z', 'h', '1697', '9797', '5989', '5501', '6929', '997']

SOLUTION: 1, 8443, 6489, 2375, 24, 26, 7, 455, 7057, 1901, 9045, 9, 12, 10, 9079, 3525, 8, 691, 1215, 801, 20, 10, 1, 2543, 6805, 651, 18, 18, 26, 8, 1697, 9797, 5989, 5501, 6929, 997

PROBLEM: ['3723', '9019', '1475', '229', '2961', '2131', 'B', '2245', 'o', '2299', 'R', '8165', 'v', 'Q', '501', 'L', '6203', 'y', 'r', 'u', '327', '617', 'z', '3843', 'D', '5647', 'Y', 'f', '4809']

SOLUTION: 3723, 9019, 1475, 229, 2961, 2131, 2, 2245, 15, 2299, 18, 8165, 22, 17, 501, 12, 6203, 25, 18, 21, 327, 617, 26, 3843, 4, 5647, 25, 6, 4809

PROBLEM: ['6489', '1933', 'C', '2963', 'p', 'U', '7207', 'V', 'i', 'm', 'B', '9197']

SOLUTION:
6489, 1933, 3, 2963, 16, 21, 7207, 22, 9, 13, 2, 9197