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: ['3193', 's', 'L', 'X', 'V', '7307', '7677', 'X', 'U', 'q', '7649', '9231', 'e', 'f', '1269', 'a', '1463', '8151', 'R', 'a', '5149', '5635', 'v', '8255', 'z', 'R', '1731', '2569', '9019', 'f', 'H', 'W', '6867', 'k', '4473', 'l', '2193']

3193, 19, 12, 24, 22, 7307, 7677, 24, 21, 17, 7649, 9231, 5, 6, 1269, 1, 1463, 8151, 18, 1, 5149, 5635, 22, 8255, 26, 18, 1731, 2569, 9019, 6, 8, 23, 6867, 11, 4473, 12, 2193