save project

diy1.py

@@ -5,11 +5,16 @@
 import turtle
 import turtle
 
 
 pen = turtle.Pen()
 pen = turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+
 # 请创造师在下面接着创作
 # 请创造师在下面接着创作
 colors=["red","green","black","orange"]
 colors=["red","green","black","orange"]
 for i in range(1,300):
 for i in range(1,300):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)
+
 # 隐藏画笔，保存画布
 # 隐藏画笔，保存画布
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
\ No newline at end of file