save project

hm.py

+import turtle
+a=turtle.Pen()
+s=turtle.Screen()
+s.bgcolor("black")
+color=["red","yellow","orange","green"]
+for i in range(1,300):
+    a.pencolor(color[i%4])
+    a.forward(i)
+    a.right(91)
+turtle.done()
\ No newline at end of file