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: ['x', 'Z', 's', '695', '371', 'v', '2535', 'V', 's', 'e', 'i', 'V', '697']

24, 26, 19, 695, 371, 22, 2535, 22, 19, 5, 9, 22, 697