(self, canvwidth=None, canvheight=None, bg=None)
Resize the canvas the turtles are drawing on. Does
        not alter the drawing window.
Resize the canvas the turtles are drawing on. Does
        not alter the drawing window.
Resize the canvas the turtles are drawing on . Does not alter the drawing window .
def _resize(self, canvwidth=None, canvheight=None, bg=None):
        """Resize the canvas the turtles are drawing on. Does
        not alter the drawing window.
        """
        # needs amendment
        if not isinstance(self.cv, ScrolledCanvas):
            return self.canvwidth, self.canvheight
        if canvwidth is canvheight is bg is None:
            return self.cv.canvwidth, self.cv.canvheight
        if canvwidth is not None:
            self.canvwidth = canvwidth
        if canvheight is not None:
            self.canvheight = canvheight
        self.cv.reset(canvwidth, canvheight, bg)
def _resize ( self , canvwidth = None , canvheight = None , bg = None ) : # needs amendment if not isinstance ( self . cv , ScrolledCanvas ) : return self . canvwidth , self . canvheight if canvwidth is canvheight is bg is None : return self . cv . canvwidth , self . cv . canvheight if canvwidth is not None : self . canvwidth = canvwidth if canvheight is not None : self . canvheight = canvheight self . cv . reset ( canvwidth , canvheight , bg )