(self, shear=None)
Set or return the current shearfactor.

        Optional argument: shear -- number, tangent of the shear angle

        Shear the turtleshape according to the given shearfactor shear,
        which is the tangent of the shear angle. DO NOT change the
        turtle's heading (direction of movement).
        If shear is not given: return the current shearfactor, i. e. the
        tangent of the shear angle, by which lines parallel to the
        heading of the turtle are sheared.

        Examples (for a Turtle instance named turtle):
        >>> turtle.shape("circle")
        >>> turtle.shapesize(5,2)
        >>> turtle.shearfactor(0.5)
        >>> turtle.shearfactor()
        >>> 0.5
Set or return the current shearfactor.
Set or return the current shearfactor .
def shearfactor(self, shear=None):
        """Set or return the current shearfactor.

        Optional argument: shear -- number, tangent of the shear angle

        Shear the turtleshape according to the given shearfactor shear,
        which is the tangent of the shear angle. DO NOT change the
        turtle's heading (direction of movement).
        If shear is not given: return the current shearfactor, i. e. the
        tangent of the shear angle, by which lines parallel to the
        heading of the turtle are sheared.

        Examples (for a Turtle instance named turtle):
        >>> turtle.shape("circle")
        >>> turtle.shapesize(5,2)
        >>> turtle.shearfactor(0.5)
        >>> turtle.shearfactor()
        >>> 0.5
        """
        if shear is None:
            return self._shearfactor
        self.pen(resizemode="user", shearfactor=shear)
def shearfactor ( self , shear = None ) : if shear is None : return self . _shearfactor self . pen ( resizemode = "user" , shearfactor = shear )