save project

diy1.py

-
 import turtle
 import turtle
-
 pen = turtle.Pen()
 pen = turtle.Pen()
-    pen.forward(d)
+for i in range(1,300):
+    pen.forward(i)
     pen.right(91)
     pen.right(91)
-    d+=1
-# 隐藏画笔，保存画布
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
\ No newline at end of file