save project

diy.py

@@ -6,14 +6,15 @@ screen=turtle.Screen()
 screen.bgcolor("blue")
 screen.bgcolor("blue")
 pen.write("Hi,诺伊\n用python写电子邮件真是太有趣啦\n我也喜欢python\n——悟空",font=("Times",10,"normal"))
 pen.write("Hi,诺伊\n用python写电子邮件真是太有趣啦\n我也喜欢python\n——悟空",font=("Times",10,"normal"))
 pen.hideturtle()
 pen.hideturtle()
+len=60
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pensize(5)
 pen1.pensize(5)
 pen1.pencolor("red")
 pen1.pencolor("red")
 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)
 pen1.hideturtle()
 pen1.hideturtle()
 turtle.done()
 turtle.done()
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