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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def sort_url(self):
 """ Return the URL to sort the linked table by this column. If the table is already sorted by this column, the order is reversed. Since there is no canonical URL for a table the current URL (via the HttpRequest linked to the Table instance) is reused, and any unrelated parameters will be included in the output. """


        prefix = (self.sort_direction == "asc") and "-" or ""
        return self.table.get_url(order_by=prefix + self.name)