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: ['V', '6619', 'x', 'm', 'K', '8865', '2027', '9707', 'k', '8437', '7669', '7139', '553', 'f', 'j', 'W', '4643', 'o', 'E', 'P', '887', '8099', '3023', 'b', '2133']

22, 6619, 24, 13, 11, 8865, 2027, 9707, 11, 8437, 7669, 7139, 553, 6, 10, 23, 4643, 15, 5, 16, 887, 8099, 3023, 2, 2133