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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 found_url(self, url, name, base):
 """Add newly found URL to queue."""

        assert isinstance(url, unicode) or url is None, repr(url)
        self.callback(url, line=self.parser.last_lineno(),
                      column=self.parser.last_column(), name=name, base=base)