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: ['2773', 'L', '5765', '3075', '7541', '2359', 'V', '6189', 'h', 'i', '8443', '5303', '4591', 'M', 'D', 'X', '9629', '4981', 'r', '1091', 'g', 'm', 'C', '5033', '5733', 'E', 'a', 'E', 'd', '5361', '6889', 'w', '271', 'm']

2773, 12, 5765, 3075, 7541, 2359, 22, 6189, 8, 9, 8443, 5303, 4591, 13, 4, 24, 9629, 4981, 18, 1091, 7, 13, 3, 5033, 5733, 5, 1, 5, 4, 5361, 6889, 23, 271, 13