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: ['2727', '9421', 'v', 'D', '1577', '7817', 'R', '9809', 'G', 'V', '1745', 'C', 'o', 'f', '8645', 'V', 'c', '8829', '825', '5859', 'i', '5525', 'E', 'x', 'f', '5307', 'g']

2727, 9421, 22, 4, 1577, 7817, 18, 9809, 7, 22, 1745, 3, 15, 6, 8645, 22, 3, 8829, 825, 5859, 9, 5525, 5, 24, 6, 5307, 7