(self)
Prepends the grid with an empty row.
Prepends the grid with an empty row.
Prepends the grid with an empty row .
def prepend_row(self):
        """
        Prepends the grid with an empty row.
        """
        self._height += 1
        self._array.insert(0, [None for j in xrange(self._width)])
def prepend_row ( self ) : self . _height += 1 self . _array . insert ( 0 , [ None for j in xrange ( self . _width ) ] )