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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()
-pen.hideturtle()
+pen.speed('fast')
 screen.bgcolor('black')
 
 i=0
@@ -17,5 +15,5 @@ while i<135:
     pen.circle(100)
     pen.left(2)
     i+=1
-
+pen.hideturtle()
 turtle.done()
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