save project

demo.py

 import turtle
 screen=turtle.Screen()
+len=60
 screen.bgcolor("green")
 pen=turtle.Pen()
 pen.penup()
@@ -8,14 +9,15 @@ pen.write("人生中不时有些难得的时ĺ»ďĽŚ\n凡事一经觉定，\nĺ°±č
 pen.hideturtle()
 pen1=turtle.Pen()
 pen1.begin_fill()
-pen1.fillcolor("pink")
+pen1.fillcolor("red")
 pen1.pensize(5)
 pen1.pencolor("pink")
+
 pen1.left(45)
-pen1.forward(120)
-pen1.circle(60,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
-pen1.circle(60,180)
-pen1.forward(120)
+pen1.circle(len,180)
+pen1.forward(2*len)
 pen1.end_fill()
 turtle.done()