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: ['6079', '4333', '2827', 'S', '4505', 'y', '2481', '6463', '7869', 'g', 'y', '9755', '5173', 'b', '9359', 'K', 'N', '1681', '1703', '8173', 'D', '3081', 'Y', '4163', 'l', '9379', '1783', '3127', 'B', 'u', '7323', 'U', '2097', '6525', 'o', '1905', '9729']

6079, 4333, 2827, 19, 4505, 25, 2481, 6463, 7869, 7, 25, 9755, 5173, 2, 9359, 11, 14, 1681, 1703, 8173, 4, 3081, 25, 4163, 12, 9379, 1783, 3127, 2, 21, 7323, 21, 2097, 6525, 15, 1905, 9729