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: ['V', 'm', '6335', '55', 'V', '3119', 'O', '5807', 'u', '4501', 'P', '6033', 'o', '6931', '4083', 'W', '4639', 'd', '5441', '8885', '4287', 'b', '3821', 'M', 'G', 'M', '5799']

22, 13, 6335, 55, 22, 3119, 15, 5807, 21, 4501, 16, 6033, 15, 6931, 4083, 23, 4639, 4, 5441, 8885, 4287, 2, 3821, 13, 7, 13, 5799