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: ['3433', '7341', '8329', '7239', 'Z', '7939', '9041', '3565', '2781', '3637', '3213', '1811', '5583', 'x', 'K', '1339', '7143', '4471', '8457', '863', '1467', 'U', 'V', '9189', 'O', '3503', 'G', 'v', '3213', 'D', 'r', 'G', 'p', '7257', '8147', 'e', '3401', '203', 'N']

3433, 7341, 8329, 7239, 26, 7939, 9041, 3565, 2781, 3637, 3213, 1811, 5583, 24, 11, 1339, 7143, 4471, 8457, 863, 1467, 21, 22, 9189, 15, 3503, 7, 22, 3213, 4, 18, 7, 16, 7257, 8147, 5, 3401, 203, 14