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: ['1345', 'Z', '8105', '9981', 'B', '3699', 'v', '7895', 'Z', '6317', '2207', 'K', 'g', '7941', '1303']

1345, 26, 8105, 9981, 2, 3699, 22, 7895, 26, 6317, 2207, 11, 7, 7941, 1303