save project

diy1.py

@@ -3,16 +3,18 @@
 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
-
+r=turtle.Screen()
+r.bgcolor("black")
 pen = turtle.Pen()
-pen.pencolor("red")
-pen.pensize(2)
+pen.pensize(1)
 # 请创造师在下面接着创作
-distance=5
-for i in range(300):
-    pen.forward(distance)
-    distance+=2
+
+e=["red","green","yellow","orange"]
+for i in range(1,302,1):
+    pen.pencolor(e[i%4])
+    pen.forward(i+3)
     pen.right(91)
+    
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
\ No newline at end of file