save project

xzg.py

+import turtle  
+pen = turtle.Pen()
+screen = turtle.Screen()
+screen.bgcolor("cyan")
+colors=["green","blue","red","violet"]
+distance=1
+pen.speed(1000)
+for i in range(30000):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+    distance+=1
+pen.hideturtle()
+turtle.done()