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diy1.py

@@ -3,13 +3,15 @@
 每次移动都增加画笔移动的长度，并旋转91°，重复执行300次，查看效果
 """
 import turtle
-distance=1
+colors=["red","blue","green","yellow"]
 pen = turtle.Pen()
+
 # 请创造师在下面接着创作
 for i in range(1,300):
     pen.forward(i)
    
     pen.right(91)
+    pen.pencolor(colors[i%4])