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: ['k', 'R', '193', '895', 'w', '1055', '9783', '5825', 'Y', '9673', 's', 'I', '4963', 'L', 'o', '9977', '4209']

11, 18, 193, 895, 23, 1055, 9783, 5825, 25, 9673, 19, 9, 4963, 12, 15, 9977, 4209