save project

diy1.py

@@ -4,13 +4,13 @@
 """
 import turtle
 pen = turtle.Pen()
-# 请创造师在下面接着创作
-pen.speed(2)
-distance=1
-for i in range(300):
-    pen.forward(distance)
-    distance+=1
+screen = turtle.Screen()
+screen.bgcolor("black")
+pen.speed(0)
+c=["red","blue","yellow","green"]
+for i in range(350):
+    pen.forward(i)
     pen.right(91)
-# 隐藏画笔，保存画布
+    pen.pencolor(c[i%4])
 pen.hideturtle()
 turtle.done()
\ No newline at end of file