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: ['6725', 'i', '4521', '4109', 'k', 'c', 'e', '9803', 'x', '8937', '2585', 'R', '2469', 'r', '5147', 'N', 'L', '9113', 'X', '1095', '3547', 'V', 'm', 'N', 'G', '5743', '9197', 'l', 't', 'e', 'f', 'G', '4913', '9779', 'E', '7293', 'j', 'd', '7193']

6725, 9, 4521, 4109, 11, 3, 5, 9803, 24, 8937, 2585, 18, 2469, 18, 5147, 14, 12, 9113, 24, 1095, 3547, 22, 13, 14, 7, 5743, 9197, 12, 20, 5, 6, 7, 4913, 9779, 5, 7293, 10, 4, 7193