save project

diy1.py

 import turtle
-pen = turtle.Pen()
-colors=["red","orange","red","grenn"]
+pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["red","orange","red","green"]
 # 请创造师在下面接着创作
 for i in range(300):
     pen.forward(i)