save project

diy1.py

 # 利用write()帮助悟空给诺依回信吧
 import turtle
+len=100
 pen=turtle.Pen()
 pen.penup()
 pen.goto(100,-100)
@@ -11,10 +12,10 @@ screen=turtle.Screen()
 screen.bgcolor("pink")
 pen1.color("red")
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(len)
+pen1.circle(len/2,180)
 pen1.right(90)
 pen1.circle(50,180)
-pen1.forward(100)
+pen1.forward(len)
 pen1.hideturtle()
 turtle.done()
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