save project

diy1.py

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