save project

diy.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
-a=1
-for i in range(300):
-    pen.forward(a)
-    a+=1
+for i in range(1,300):
+    pen.forward(i)
     pen.right(91)
     pen.right(91)
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()