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: ['R', 'R', '1363', '2313', '8851', 'X', 'W', '1657', 'i', '3281', '3933', 'j', '167', '5339', 'Z', '1601', 'g', '9581', '271', 'X', '8455', 'J', '4199', 'D', 'H', '1673', '8579', 'v', '3219', 'q', '1101', '9493']

18, 18, 1363, 2313, 8851, 24, 23, 1657, 9, 3281, 3933, 10, 167, 5339, 26, 1601, 7, 9581, 271, 24, 8455, 10, 4199, 4, 8, 1673, 8579, 22, 3219, 17, 1101, 9493