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: ['d', 'X']

SOLUTION: 4, 24

PROBLEM: ['Q', '8921', '7131', '9247', '3351', '4689', 'L', 'O', 'N', 'g', 'Q', '413']

SOLUTION: 17, 8921, 7131, 9247, 3351, 4689, 12, 15, 14, 7, 17, 413

PROBLEM: ['4873', 'R', '6917', '9145', 'F', 's', '4875', '4603', 'u', '7329', '3123', '5349', 'q', '9729', '403', '5317', 'j', '4093', '7455', '3433', '8353', 'S', 'F', '3695', 'W', '4205', '4919', 'w', '9059', 'p', 'M', 'i', '8745', '5761', 'g', '4627', 'A', 'f', '4505', '2337']

SOLUTION:
4873, 18, 6917, 9145, 6, 19, 4875, 4603, 21, 7329, 3123, 5349, 17, 9729, 403, 5317, 10, 4093, 7455, 3433, 8353, 19, 6, 3695, 23, 4205, 4919, 23, 9059, 16, 13, 9, 8745, 5761, 7, 4627, 1, 6, 4505, 2337