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: ['8861', '4019', 'x', 'k', '1321', '8741', 'j', '6229', 'e', '1997', 'A', '5395', '2209', '2005', '7415', 'R', 'N', 'r', 'p', 'm', '3333', 'D', 'X', 'i', 'd', '497', '4367', 'b', 'e', 'j', 'D', 'k', 'z', 'q', 'u', '8897', '3279']

8861, 4019, 24, 11, 1321, 8741, 10, 6229, 5, 1997, 1, 5395, 2209, 2005, 7415, 18, 14, 18, 16, 13, 3333, 4, 24, 9, 4, 497, 4367, 2, 5, 10, 4, 11, 26, 17, 21, 8897, 3279