save project

diy1.py

@@ -2,7 +2,7 @@ import turtle
 
 #chuangjianhuabu
 screen=turtle.Screen()
-screen.bgcolor("blue")
+screen.bgcolor("black")
 
 pen=turtle.Pen()
 pen.penup()
@@ -19,6 +19,9 @@ pen1.right(90)
 pen1.circle(50,180)
 pen1.forward(100)
 
+len=150
+pen1=turtle.Pen()
+pen1.circle(len)
 
 pen.hideturtle()
 pen1.hideturtle()