Method extend

Snake Game Using Turtle/snake.py:33–36

Adds a new segment to the snake's tail.

(self)

        self.segments.append(new_segment)

    def extend(self):
        """ Adds a new segment to the snake's tail. """
        self.add_segment(self.segments[-1].position())
        self.segments[0].color(colors.FIRST_SEGMENT_COLOR)

    def move(self):
        """ Moves the snake forward by moving each segment to the position of the one in front."""