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: ['7025', '5143', '6025', '7585', '2707']

7025, 5143, 6025, 7585, 2707