def get_column(self, col_no):
        """Returns a column as a tuple of 4 values.

        col_no -- The column index

        """

        try:
            m = self._m
            return ( m[col_no],
                     m[col_no+4],
                     m[col_no+8],
                     m[col_no+12] )
        except __HOLE__:
            raise IndexError( "Column should be 0, 1, 2 or 3" )
dataset/ETHPy150Open PythonProgramming/Beginning-Game-Development-with-Python-and-Pygame/Chapter 10/gameobjects/matrix44.py/Matrix44.get_column