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: ['9761', '9243', '7443', 'o', 'M', 'd', '3301', '1913', 'N', '1635', '4803', '191', '3203', '6581', '1951', '6567', 'o', '3257', '4165', 'l', 'I', 'm', '1413', 'N', 'l', '5061', 't', 'I', '7957', '533', 'w']

9761, 9243, 7443, 15, 13, 4, 3301, 1913, 14, 1635, 4803, 191, 3203, 6581, 1951, 6567, 15, 3257, 4165, 12, 9, 13, 1413, 14, 12, 5061, 20, 9, 7957, 533, 23