your code
octopus(200,200,400,200);
urchin(200,200);
urchin(400,200);
urchin(200,200);
urchin(200,250);
urchin(200,300);
urchin(200,350);
urchin(200,400);
urchin(250,400);
urchin(350,400);
urchin(400,400);
urchin(400,350);
urchin(400,300);
urchin(400,250);
submarine(300,300);
star(50,500,"pink");
star(500,250,"red");
star(400,100,"purple");
star(350,350,"green");
diver(100,400,1471);