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: ['3191', '7425', '4939', '7253', '4445', '1237', 'g', 'F', '9007', 'Q', '4355']

3191, 7425, 4939, 7253, 4445, 1237, 7, 6, 9007, 17, 4355