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', '6365', '9897', 'S', '5159', 'T', '1437', '3715', '9325', 'T', '9653', '3115', 'Q', '9061', 'i', '465']

7, 6365, 9897, 19, 5159, 20, 1437, 3715, 9325, 20, 9653, 3115, 17, 9061, 9, 465