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: ['2861', '3525', 'G', 'U', 'X', '9983', 's', '5745', '6063', '4995', 's', 'N', 'G', '1117', '687', '4153', 'F', 'n', 'C', '9525', 'i', '8925', '1055', '243', '2197', '2249', 't']

SOLUTION: 2861, 3525, 7, 21, 24, 9983, 19, 5745, 6063, 4995, 19, 14, 7, 1117, 687, 4153, 6, 14, 3, 9525, 9, 8925, 1055, 243, 2197, 2249, 20

PROBLEM: ['3695', 'v', 'o', 'M', 'g', '9223', 'R', '3447', 'x', 'v', '983', '2833', '5719', 'B', 'N', '3703', 'M']

SOLUTION: 3695, 22, 15, 13, 7, 9223, 18, 3447, 24, 22, 983, 2833, 5719, 2, 14, 3703, 13

PROBLEM: ['2255', 'Q', 'q', 'D', '869', '5539', 'h', '2527', '4011', '9113', '7913', '6991', 'C', '1615', '4391', 'm', '6939', 'm', 'u', '3345', '7445', 'L', '5521', '3371', '2503', 'N', 't']

SOLUTION:
2255, 17, 17, 4, 869, 5539, 8, 2527, 4011, 9113, 7913, 6991, 3, 1615, 4391, 13, 6939, 13, 21, 3345, 7445, 12, 5521, 3371, 2503, 14, 20