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', 'M', 's', 'I', '9035', 'i', 'j', 'j', 'W', '4593', '2931', 'r', '1435', 'E', 'X', 'W', 't', 'E', '8735', '1911', '5709', '8029', '981', '9063', 'I', 't', '9123', '9549', 'K', 'a']

7, 13, 19, 9, 9035, 9, 10, 10, 23, 4593, 2931, 18, 1435, 5, 24, 23, 20, 5, 8735, 1911, 5709, 8029, 981, 9063, 9, 20, 9123, 9549, 11, 1