save project

tyjh.py

 import turtle
 import turtle
 
 
 pen=turtle.Pen()
 pen=turtle.Pen()
+screen=turtle.Screen
+screen.bgcolor("black")
+list=["grren","red","orange","yellow"]
 for i in range(1,300):
 for i in range(1,300):
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)