save project

diy1.py

@@ -4,16 +4,18 @@
 """
 import turtle
 
-
+screen=turtle.Screen()
 pen = turtle.Pen()
-
-
-
+colors=["blue","red","green","orange"]
+screen.bgcolor("black")
+@staticmethod
+def funcname(parameter_list):
+    pass
 for i in range(1,300):
-
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.left(91)
-    
+
 # 隐藏画笔，保存画布
 
 turtle.done()