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: ['3577', '5061', '5691', 'v', '3057', '5393', 'C', 'w', '445', 'G', '6041', '9185', '5897', 'z', 'm', '7775', '2027', '2223', 'z', 'S', 'd', 't', 'T', '2129', 'T', '2251']

3577, 5061, 5691, 22, 3057, 5393, 3, 23, 445, 7, 6041, 9185, 5897, 26, 13, 7775, 2027, 2223, 26, 19, 4, 20, 20, 2129, 20, 2251