save project

1.py

 import turtle
 import turtle
-pen=turtle.Pen()
-pen.speed(100)
-pen.pencolor('red')
-for i in range(1,301):
+pen = turtle.Pen()
+screen = turtle.Screen()
+screen.bgcolor("black")
+colors=["yellow","blue","red","green"]
+pen.speed(1000)
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.forward(i)
-    pen.left(91)
+    pen.right(91)
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()