save project

diy1.py

@@ -3,11 +3,11 @@
 每次移动都增加画笔移动的长度，并旋转91°，重复执行300次，查看效果
 """
 import turtle
-pen=turtle.pen()
+pen=turtle.Pen()
 distance=1
 for i  in range(300): 
     pen.forward(distance)
     pen.left(91)
-    distance+=1/distance+1
+    distance+=1
 pen.hideturtle()
 turtle.done()    
\ No newline at end of file