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: ['6523', 'v', '9191', 'I', '6937', 'y', '5583', '8449', '1989', '1761', '4493', '4803', 'x', 'e']

6523, 22, 9191, 9, 6937, 25, 5583, 8449, 1989, 1761, 4493, 4803, 24, 5