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: ['j', 'I', '8233', '6163', 's', '5065', 'B', 'L', 'E', 'X', 'O', 'x', '3433', 'R', '3861']

10, 9, 8233, 6163, 19, 5065, 2, 12, 5, 24, 15, 24, 3433, 18, 3861