save project

diy1.py

@@ -7,12 +7,13 @@ pen.write("你好\n我.",font=("Times",30,"normal"))
 
 
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pencolor("red")
+len=2
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 turtle.done()
 turtle.done()