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: ['8979', 'u', '7339', '8107', '2625', 'J', 'K', '7667', '8433', 'Q', '7719', '889', 'j', '9879', '4669', 'b', '6897', '3733', '6267', 'Y', '9583', 'h', '6357', '4885', '9435', '227']

8979, 21, 7339, 8107, 2625, 10, 11, 7667, 8433, 17, 7719, 889, 10, 9879, 4669, 2, 6897, 3733, 6267, 25, 9583, 8, 6357, 4885, 9435, 227