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: ['i', 'b', '2023', '375', '979', 'A', '847', '3313', '4917', 'w', 'l', '4715', '3969', '227']

9, 2, 2023, 375, 979, 1, 847, 3313, 4917, 23, 12, 4715, 3969, 227