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: ['z', 't', '5323', 'I', 'e', 'e', 'g', 'C']

26, 20, 5323, 9, 5, 5, 7, 3