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: ['o', 'V', 'G', 'p', 'P', 's', 'e', '1883', 'n', 'f', 'c', 'x', 'V', 'e', 'i', 'i']

15, 22, 7, 16, 16, 19, 5, 1883, 14, 6, 3, 24, 22, 5, 9, 9