Detailed Instructions: 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.
Q: ['2259', 'X', '9917', 'm', '9657', '6009', '4407', '7623', '7195', 's', 'n', 'M', 'm']
A:
2259, 24, 9917, 13, 9657, 6009, 4407, 7623, 7195, 19, 14, 13, 13