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: ['367', 'd', 'u', '257', '7963', 'e', 's', 'l', 'x', '8649', 'N', '3259', '8527', 'i', 'f', '3927', 'K', 'X', '2209', 'f', '8653', 'v', 'I', 'h', 'j', 'c', '2105', '2077', 's', '7723', 'H', 'M', 'c']

367, 4, 21, 257, 7963, 5, 19, 12, 24, 8649, 14, 3259, 8527, 9, 6, 3927, 11, 24, 2209, 6, 8653, 22, 9, 8, 10, 3, 2105, 2077, 19, 7723, 8, 13, 3