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: ['1273', '931', '8283', '79', 'M', '1367', 'I', '7985', 'p', 'M']

1273, 931, 8283, 79, 13, 1367, 9, 7985, 16, 13