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: ['j', 'j', '1865', '9779', '7313', 't', 'W', '7653', '7695', 'H', 'o', 'W', 'G', '4587', '9105', '5765', '6999', 'S', 'y', 'D', '8653', 'a', 'a']

10, 10, 1865, 9779, 7313, 20, 23, 7653, 7695, 8, 15, 23, 7, 4587, 9105, 5765, 6999, 19, 25, 4, 8653, 1, 1