auto save

diy1.py

@@ -4,12 +4,22 @@
 """
 import turtle
 
+# 黑色背景
+screen = turtle.Screen()
+screen.bgcolor("black")
+
 pen = turtle.Pen()
+pen.speed(100)
 # 请创造师在下面接着创作
 
+colors = ["red","pink",'blue','green']
 
+for i in range(1,300):
 
+    pen.pencolor(colors[i%4])
     
+    pen.forward(i)
+    pen.right(91)
 
 # 隐藏画笔，保存画布
 pen.hideturtle()