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: ['F', 'U', '4597', 'T', 'y', 's', '5711', 'a', '3119', '9961', '651', 'F', 'H', 'X', '7979', '5877', '8861', 'R', 'S', 'U', 'Z', '6845', 'D', '5517', '8683', 'D', '783', '7369', '4185', 'n', '3505', 'I', 'Z', '3583', '1825', 'V', 'w']

6, 21, 4597, 20, 25, 19, 5711, 1, 3119, 9961, 651, 6, 8, 24, 7979, 5877, 8861, 18, 19, 21, 26, 6845, 4, 5517, 8683, 4, 783, 7369, 4185, 14, 3505, 9, 26, 3583, 1825, 22, 23