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.
Input: ['293', '3365', 'X', 'w', 'u', 'K', 'z', 'c', 'd', 'C', '1291', 'v', 'O', '6117', 'v', 'Z', 'j', '307', '9313', 'a', 'l', 'j', '5963', '1109', 'u', 'D', 'h', '9833', '6003', 'P', 'b', 'c']

293, 3365, 24, 23, 21, 11, 26, 3, 4, 3, 1291, 22, 15, 6117, 22, 26, 10, 307, 9313, 1, 12, 10, 5963, 1109, 21, 4, 8, 9833, 6003, 16, 2, 3