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: ['y', 'V', 'D', 'e', '7049', '3713', '2591', 'p', 'T', 'J']

25, 22, 4, 5, 7049, 3713, 2591, 16, 20, 10