src/main/java/org/teachingextensions/logo/Turtle.java
public void drawLightning(int length)
  {
    this.setX(50);
    this.setY(350);
    this.setSpeed(10);
    for (int i = 1; i < 5; i++)
    {
      this.setPenWidth(i * 4);
      this.turn(65 + i);
      this.move(length);
      this.turn(-65);
      this.move(length);
    }
  }
public void drawLightning(int length)
  {
    this.setX(50);
    this.setY(350);
    this.setSpeed(10);
    for (int i = 1; i < 5; i++)
    {
      this.setPenWidth(i * 4);
      this.turn(65 + i);
      this.move(length);
      this.turn(-65);
      this.move(length);
    }
  }
Draws a lightning bolt of a specified length
<p><b>Example:</b> {@code myTurtle.drawLightning(length)}</p>

@param length
The length of a lightning bolt