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: ['9101', 'g', 'a']

SOLUTION: 9101, 7, 1

PROBLEM: ['h', '5281', 'K', '6739', 'P', 'V', '8745', 'M', 'J', '9283', 'C', 'G', 'a', '5031', '5049', 'A', 'A', 'y']

SOLUTION: 8, 5281, 11, 6739, 16, 22, 8745, 13, 10, 9283, 3, 7, 1, 5031, 5049, 1, 1, 25

PROBLEM: ['F', '1025', 'd', '1479', 'u', '6833', '155', '1495', 'n', 'u', '7397', '1287', 'x', 'h', 'j', 'P', 'a', '6481', '8521', 't', '5607', '1421', 'v']

SOLUTION:
6, 1025, 4, 1479, 21, 6833, 155, 1495, 14, 21, 7397, 1287, 24, 8, 10, 16, 1, 6481, 8521, 20, 5607, 1421, 22