save project

diy1.py

@@ -6,8 +6,9 @@ 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
-
-for i in range(1,300):     
+colours=["yellow","green","red","blue"]
+for i in range(1,300): 
+    pen.pencolor(i%4)    
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)