save project

diy1.py

@@ -4,10 +4,14 @@
 """
 """
 import turtle
 import turtle
 
 
-pen = turtle.Pen()
+pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["red","yellow","blue","green"]
 # 请创造师在下面接着创作
 # 请创造师在下面接着创作
 distance=1
 distance=1
-for i in range(100000000000000000000):
+for i in range(300):
+    colors[i%4]
     pen.forward(distance)
     pen.forward(distance)
     distance+=1
     distance+=1
     pen.right(91)
     pen.right(91)