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: ['g', 'P', 'd', 'Y', 'u', 'u', '7695', 'b', 'P', '683', 'V']

7, 16, 4, 25, 21, 21, 7695, 2, 16, 683, 22