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: ['6301', 'H', 'T', 'U', 'X', '3433', 'N', '8113', 'H', 'w', 's', 'w', 'n', 'f', '5193', 'o', '9357', 'U', 'u', 'z', '4663', 'H', '6315', 'k', 'y', 'v', 'N', '3269', 'm', 'D', 'Y', '8009']

6301, 8, 20, 21, 24, 3433, 14, 8113, 8, 23, 19, 23, 14, 6, 5193, 15, 9357, 21, 21, 26, 4663, 8, 6315, 11, 25, 22, 14, 3269, 13, 4, 25, 8009