save project

diy1.py

@@ -7,9 +7,11 @@ import turtle
 pen = turtle.Pen()
 screen=turtle.Screen()
 screen.bgcolor('black')
+colors=['green','red','orange','yellow']
 # 请创造师在下面接着创作
 distance=1
-for i in range(300):
+for i in range(1,300):
+    pen.color(colors[1%4])
     pen.forward(distance)
     distance+=1
     pen.right(91)