save project

diy1.py

-# 悟空想海龟作图画出弹簧隧道，但是出现了bug，运行不了，请你帮助他，修改bug~
-import turtle 
-
-pen=turtle.Pen()
-screen=turtle.Screen()
-pen.speed(1000)
-pen.hideturtle()
-screen.bgcolor('black')
-
-i=0
-while i<180:
-    pen.pencolor('pink')
-    pen.penup()
-    pen.goto(0,0)
-    pen.forward(200)
-    pen.pendown()
-    pen.circle(100)
-    pen.left(2)
-    i+=1
-
-turtle.done()
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