Round each element in the DataFrame.

        Args:
            decimals: The number of decimals to round to.

        Returns:
             A new DataFrame.

def round(self, decimals=0, *args, **kwargs):
        """Round each element in the DataFrame.

        Args:
            decimals: The number of decimals to round to.

        Returns:
             A new DataFrame.
        """
        return self.__constructor__(
            query_compiler=self._query_compiler.round(decimals=decimals, **kwargs)
        )