save project

diy1.py

 import turtle
-screen=turtle.Screen()
-a=turtle.Pen()  
+color = ["red","yellow","green","blue"]
+screen = turtle.Screen()
+screen.bgcolor("black")
+a=turtle.Pen()
 a.speed(100)
 for i in range(1,300):
+    a.pencolor(colors[i%4])
     a.fd(i)
     a.rt(91)
 a.hideturtle()
-turle.done()
\ No newline at end of file
+turtle.done()
\ No newline at end of file