save project

diy1.py

@@ -3,14 +3,13 @@
 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
-a=10
+
 
 pen = turtle.Pen()
 turtle.speed(0)
 for i in range(1,300):
-    pen.forward(a)
+    pen.forward(i)
     pen.right(91)
-    a+=1
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()