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~
 # 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 
+import turtle
 
 
 pen=turtle.Pen()
 pen=turtle.Pen()
 screen=turtle.Screen()
 screen=turtle.Screen()
@@ -9,12 +9,12 @@ screen.bgcolor('black')
 
 
 i=0
 i=0
 while i<135:
 while i<135:
-    screen.pencolor('pink')
+    pen.pencolor('pink')
     pen.penup()
     pen.penup()
     pen.goto(0,0)
     pen.goto(0,0)
     pen.forward(200)
     pen.forward(200)
     pen.pendown()
     pen.pendown()
-    screen.circle(100)
+    pen.circle(100)
     pen.left(2)
     pen.left(2)
     i+=1
     i+=1