save project

diy1.py

@@ -7,6 +7,8 @@ import turtle
 c=["red","brown","blue","yellow"]
 c=["red","brown","blue","yellow"]
 index=0
 index=0
 pen = turtle.Pen()
 pen = turtle.Pen()
+sc=turtle.Screen()
+sc.bgcolor(black)
 for i in range(1,301):
 for i in range(1,301):
     pen.pencolor(c[index])
     pen.pencolor(c[index])
     pen.forward(i)
     pen.forward(i)