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: ['2135', '6285', '9301', '8579', '5019', '5943', 'F', '4905', 'p', 't', 'Z', '3203', '4757', 'N', 'Z', '5765', '7279', 'k', '7893', 'G', 'G', 'N', '1419', 'E', '9961', 'Z', '33', '6861', '1727', '5161', 'w', '5257', '7345', '8905', 'z', '6545', 'v', 'c']

2135, 6285, 9301, 8579, 5019, 5943, 6, 4905, 16, 20, 26, 3203, 4757, 14, 26, 5765, 7279, 11, 7893, 7, 7, 14, 1419, 5, 9961, 26, 33, 6861, 1727, 5161, 23, 5257, 7345, 8905, 26, 6545, 22, 3