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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 with_row(self, row):
 """Return a table with an additional row. Args: ``row`` (sequence):
 A value for each column. Raises: ``ValueError``: If the row length differs from the column count. letter | count | points c | 2 | 3 d | 4 | 2 """

        self = self.copy()
        self.append(row)
        return self