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: ['Z', 'J', 'q', 'D', 'Z', 'Y', '1539', '6753', '8815', '3065', 'e', 'u', 'R', 'Y', '3973', '5953', '9209', '8725', '4275', '2885', 'T', '5181', 't', 'I', 'm', 'Z', '531', '8997', 's']

SOLUTION: 26, 10, 17, 4, 26, 25, 1539, 6753, 8815, 3065, 5, 21, 18, 25, 3973, 5953, 9209, 8725, 4275, 2885, 20, 5181, 20, 9, 13, 26, 531, 8997, 19

PROBLEM: ['5913', '6135', '4167', 'S', '9777', 'S']

SOLUTION: 5913, 6135, 4167, 19, 9777, 19

PROBLEM: ['B', '3035', '9669', 'S', '7531', '3391', '1629', '2347', '2509', '1599', '6993', 'w', '6259', 'R', 'z', 'J', 'm', '5395', 'm', '9175', 'h', '2433', 'd', 'e', '1853', 'X', 'Q', '8947', '575', '903', '8757', 'f']

SOLUTION:
2, 3035, 9669, 19, 7531, 3391, 1629, 2347, 2509, 1599, 6993, 23, 6259, 18, 26, 10, 13, 5395, 13, 9175, 8, 2433, 4, 5, 1853, 24, 17, 8947, 575, 903, 8757, 6