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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 add_row(self, row_data, resize_x=True):
 """Adds a row at the end of the table"""

        if not resize_x:
            self._check_row_size(row_data)
        self.body(Tr()(Td()(cell) for cell in row_data))
        return self