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: ['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: ['201', 'v', '9339', '2255', 'A', 'F', '2731', '1331', '709', '1319', 'u', '5037']

SOLUTION: 201, 22, 9339, 2255, 1, 6, 2731, 1331, 709, 1319, 21, 5037

PROBLEM: ['d', '2245', '5719', 'X', 'k', 'Q', '2289', '647', '1391', 'P']

SOLUTION:
4, 2245, 5719, 24, 11, 17, 2289, 647, 1391, 16