Creates a file path on the form: current-working-directory/prefix/cleaned-url.txt

        :param prefix: The prefix from the .get() and .put() methods.
        :param url: The url of the request.
        :return: The created path.

def get_filename(self, prefix, url):
        """
        Creates a file path on the form: current-working-directory/prefix/cleaned-url.txt

        :param prefix: The prefix from the .get() and .put() methods.
        :param url: The url of the request.
        :return: The created path.
        """
        return '{}.txt'.format(os.path.join(os.getcwd(), prefix, self.clean_url(url)))