For example, using an index of -1 is a handy way to grab the last item from a list no matter the size of the list. In that case, list_of_ints[-1] yields 3, and list_of_objects[-1] yields None.

Using Python to bulk-check index status of URLs Now that we know how to check if a single URL has been indexed, you might be wondering how you can do this en masse. You could have 1,000 little ...