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: ['p', 's', '1295', '6807', '4683', '3169', 'v', 'j', '2105', '7317', 'S', '1879', 'x', '9843', 'c', 'y', 'q', 'c', '9567', 'i', '6125', '2493', '4203', '9541', 'i', '4247', 'I', '1433', 'v', '4047']

16, 19, 1295, 6807, 4683, 3169, 22, 10, 2105, 7317, 19, 1879, 24, 9843, 3, 25, 17, 3, 9567, 9, 6125, 2493, 4203, 9541, 9, 4247, 9, 1433, 22, 4047