save project

a.py

 import turtle
-
+pen = turtle.Pen()
+pen.speed(9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999)
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["red","green","yellow","blue"]
 pen=turtle.Pen()
-distance=1
-for i in range(300):
-    pen.forward(distance)
-    pen.right(91)
-    distance+=1    
-pen.hideturtle()
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)    
+turtle.hideturtle()
 turtie.done()
\ No newline at end of file