save project

diy1.py

@@ -3,6 +3,7 @@ import turtle
 screen=turtle.Screen()
 screen.bgcolor("green")
 pen=turtle.Pen()
+len=100
 pen.penup()
 pen.goto(100,-100)
 pen.write("你好,贾维斯?",font=("Times",13,"normal"))
@@ -11,10 +12,10 @@ pen.pendown()
 pen.pensize(5)
 pen.pencolor("red")
 pen.left(45)
-pen.forward(100)
-pen.circle(50,180)
+pen.forward(2*len)
+pen.circle(len,180)
 pen.right(90)
-pen.circle(50,180)
-pen.forward(100)
+pen.circle(len,180)
+pen.forward(2*len)
 pen.hideturtle()
-turtle.done()
\ No newline at end of file
+turtle.done()