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('fast')
+pen=turtle.Penscreen=turtle.Screen
+#pen.speed('fast')
 pen.hideturtle()
+pen.speed(10)
 screen.bgcolor('black')
 
 i=0