save project

diy1.py

@@ -5,10 +5,13 @@
 import turtle
 
 pen = turtle.Pen()
+
 pen.speed(0)
 # 请创造师在下面接着创作
+color=["green","red","yellow","blue"]
 
 for i in range(1000):
+    pen.color(color[i%4])
     pen.forward(i)
     i+=1
     pen.right(91)