<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def dumps(self):
 r"""Turn the Latex Object into a string in Latex format."""


        string = ""

        if self.row_height is not None:
            row_height = Command('renewcommand', arguments=[
                NoEscape(r'\arraystretch'),
                self.row_height])
            string += row_height.dumps() + '%\n'

        if self.col_space is not None:
            col_space = Command('setlength', arguments=[
                NoEscape(r'\tabcolsep'),
                self.col_space])
            string += col_space.dumps() + '%\n'

        return string + super().dumps()