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: ['V', 'j', '9967', 'E', '9201', 'U', 'Q', '9533', 'T', 'A', 's', '535', '219', '1197', 'Y', 'Z', '9171', '6263', '9385', 'V', 'n', 'W', 'E', '7203', 'K', '9255', '1649', 'x', '4459', 'M', '1533', '2487', '9707', '4863', 'W']

22, 10, 9967, 5, 9201, 21, 17, 9533, 20, 1, 19, 535, 219, 1197, 25, 26, 9171, 6263, 9385, 22, 14, 23, 5, 7203, 11, 9255, 1649, 24, 4459, 13, 1533, 2487, 9707, 4863, 23