save project

diy1.py

@@ -5,12 +5,16 @@
 import turtle
 pen = turtle.Pen()
 # 请创造师在下面接着创作
-distance=1
-for i in range(300):
-    pen.forward(distance)
+colors=["red","orange","yellow","green"]
+a=turtle.Screen()
+a.bgcolor("black")
+for i in range(1,300,5):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
     pen.right(91)
-    distance+=1
-    
+
+
+
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
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