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: ['8455', '2671', 'P', 'q', 'a', '8885', '7919', 'u', 'v', 'q', '7563', '8487', 'K', 'z', '6745', 'W', '4301', 'e', 'M', 'J', 'i', 'c', 'G', 'G', 'K', 'g']

8455, 2671, 16, 17, 1, 8885, 7919, 21, 22, 17, 7563, 8487, 11, 26, 6745, 23, 4301, 5, 13, 10, 9, 3, 7, 7, 11, 7