save project

diy1.py

@@ -7,14 +7,15 @@ pen.penup()
 pen.goto(-100,0)
 pen.goto(-100,0)
 pen.write("我叫王钰清，\n你好呀！",font=("Times",30,"normal"))
 pen.write("我叫王钰清，\n你好呀！",font=("Times",30,"normal"))
 pen.hideturtle()
 pen.hideturtle()
+len = 50
 turtle.done()
 turtle.done()
 pen1 = turtle.Pen()
 pen1 = turtle.Pen()
 pen1.pencolor("red")
 pen1.pencolor("red")
 pen1.pensize(5)
 pen1.pensize(5)
 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.circle(len,180)
 pen1.forward(100)
 pen1.forward(100)
 turtle.done()
 turtle.done()
\ No newline at end of file