save project

diy1.py

+import turtle
+b=turtle.Pen()
+a=turtle.Screen()
+a.bgcolor('black')
+lscs=['green','red','yellow','orange']
+for i in range(900):
+    b.pencolor(lscs[i%4])
+    b.forward(i)
+    b.right(91)
+turtle.done()
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