save project

diy1.py

@@ -7,16 +7,19 @@ len=int(len)
 pen=turtle.Pen()
 pen.write("科学家.",font=("Times",30,"normal"))
 pen.hideturtle()
-len=60
+len=40
 pen.penup()
 pen.goto(100,100)
 pen.pendown()
 pen.pensize(5)
 pen.pencolor("red")
 pen.left(45)
-pen.forward(2*len)
-pen.circle(len,180)
-pen.right(90)
-pen.circle(len,180)
-pen.forward(2*len)
+for a range():
+    pen.forward(2*len)
+    pen.circle(len,180)
+    pen.right(90)
+    pen.circle(len,180)
+    pen.forward(2*len)
+    pen.left(45)
+    len=len+20
 turtle.done()
\ No newline at end of file