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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 next(self):
 """Retrieve the next row."""

        # I'm pretty sure this is the completely wrong way to go about this, but
        # oh well, this works.
        if not hasattr(self, '_iter'):
            self._iter = self.readrow_as_dict()
        return self._iter.next()