Method left

Snake Game Using Turtle/snake.py:64–67

Turns the snake's head to the left, preventing it from reversing.

(self)

            self.head.setheading(DOWN)

    def left(self):
        """Turns the snake's head to the left, preventing it from reversing."""
        if self.head.heading() != RIGHT:
            self.head.setheading(LEFT)

    def right(self):
        """Turns the snake's head to the right, preventing it from reversing."""