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: ['e', 'e', 'g', 'L', '4461', '5879', '1879', '6511', '1333', '6531', '6169', '6613', 'j', 'G', 'd', '1095', '9153', '4439', '9401']

5, 5, 7, 12, 4461, 5879, 1879, 6511, 1333, 6531, 6169, 6613, 10, 7, 4, 1095, 9153, 4439, 9401