save project

diy1.py

@@ -7,7 +7,9 @@ import turtle
 pen = turtle.Pen()
 pen = turtle.Pen()
 # 请创造师在下面接着创作
 # 请创造师在下面接着创作
 i=1
 i=1
+s=["red","green","orange","yellow"]
 for i in range(300):
 for i in range(300):
+    pen.pencolor(s[i%4])
     pen.forward(i)
     pen.forward(i)
     i+=1
     i+=1
     pen.right(91)
     pen.right(91)