save project

diy1.py

@@ -7,11 +7,12 @@ import turtle
 
 pen = turtle.Pen()
 distance=1
-screen = turtle.Screen()
-screen.bgcolor("light pink")
-colors=["white","blue","violet","cyan"]
+Screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["red","orange","yellow","green"]
 # 请创造师在下面接着创作
 for i in range(1,300):
+    pen.pencolor(colors[i%4])
     Pen.forward(distance)
     distance+=1
     Pen.right(91)