save project

diy1.py

+import turtle
+pen=turtle.Pen()
+pen.speed(20)
+screen=turtle.Screen()
+screen.bgcolor('black')
+color=['red','green','orange','yellow']
+for i in range(300):
+    pen.color(color[i%4])
+    pen.forward(i)
+    pen.right(91)
+turtle.done()