save project

diy1.py

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