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: ['B', 'X', '5657', 'F', 'u', '6961', '5387', 'I', '6943', 'U', 'z', 'B', '8447', 'o', 'a', 'i', 'w', 'Q', 'h', 'h', 'T', 'g', '5161', '305']

SOLUTION: 2, 24, 5657, 6, 21, 6961, 5387, 9, 6943, 21, 26, 2, 8447, 15, 1, 9, 23, 17, 8, 8, 20, 7, 5161, 305

PROBLEM: ['4823', 'E', 'R', '9843', '8095', '119', '8769', 'O', '6341', 'U', '4975', '2893', '7179', 't', 'v', '1301', 'z', 'w', '2961', 'q', 'e', 't', 'S', 'r', 'o', 'T', '2467', '1013', '9105', '4595', 'd', '6227', '5031', 'P', '3295', '6655', 'k']

SOLUTION:
4823, 5, 18, 9843, 8095, 119, 8769, 15, 6341, 21, 4975, 2893, 7179, 20, 22, 1301, 26, 23, 2961, 17, 5, 20, 19, 18, 15, 20, 2467, 1013, 9105, 4595, 4, 6227, 5031, 16, 3295, 6655, 11