'Delete the turtle\'s drawings and restore its default values.
No argument.
Delete the turtle\'s drawings from the screen, re-center the turtle
and set variables to the default values.
Example (for a Turtle instance named turtle):
>>> turtle.position()
(0.00,-22.00)
>>> turtle.heading()
100.0
>>> turtle.reset()
>>> turtle.position()
(0.00,0.00)
>>> turtle.heading()
0.0'

def reset(self):

    TNavigator.reset(self)
    TPen._reset(self)
    self._clear()
    self._drawturtle()
    self._update()
