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: ['7959', '485', '9651', 'r', 'S', '3745', 'P', '4505', 'r', '1613', 'c', '7723', '7359', '101', 'E', 'i', 'i', '4257', '5041', '1671', '6633', 'p', 'Q', 'u', '1679', '6485', 'v', '2545', '2117']

7959, 485, 9651, 18, 19, 3745, 16, 4505, 18, 1613, 3, 7723, 7359, 101, 5, 9, 9, 4257, 5041, 1671, 6633, 16, 17, 21, 1679, 6485, 22, 2545, 2117