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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 range(self, start_row=0, max_rows=None):
 """ Get an iterator to iterate through a set of table rows. Args: start_row: the row of the table at which to start the iteration (default 0) max_rows: an upper limit on the number of rows to iterate through (default None) Returns: A row iterator. """

    fetcher = self._get_row_fetcher(start_row=start_row, max_rows=max_rows)
    return iter(datalab.utils.Iterator(fetcher))