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', '9423', 'J', '5099', 's', '4049', 'v', 'G', 'A', 'k', '5649', 'q', '8795', '8931', '9263', '5801', 'U', 'e', '4909', '7829', 'p', 'a', '1521', '9735', 'd', '2685', 'r', 'k', '4303']

22, 9423, 10, 5099, 19, 4049, 22, 7, 1, 11, 5649, 17, 8795, 8931, 9263, 5801, 21, 5, 4909, 7829, 16, 1, 1521, 9735, 4, 2685, 18, 11, 4303