def to_grid(self, mapping):
        """Convert a mapping from (x, y) to v into a [[..., v, ...]] grid."""
        return list(reversed([[mapping.get((x,y), None)
                               for x in range(self.cols)]
                              for y in range(self.rows)]))
def to_grid(self, mapping):
        """Convert a mapping from (x, y) to v into a [[..., v, ...]] grid."""
        return list(reversed([[mapping.get((x,y), None)
                               for x in range(self.cols)]
                              for y in range(self.rows)]))
def to_grid ( self , mapping ) : return list ( reversed ( [ [ mapping . get ( ( x , y ) , None ) for x in range ( self . cols ) ] for y in range ( self . rows ) ] ) )
Convert a mapping from (x, y) to v into a [[..., v, ...]] grid.
Convert a mapping from ( x y ) to v into a [[ ... v ... ]] grid .