save project

diy1.py

@@ -4,9 +4,17 @@
 """
 """
 import turtle
 import turtle
 
 
+scree = turtle.Screen()
+scree.bgcolor("black")
+
+
+
 pen = turtle.Pen()
 pen = turtle.Pen()
+pen.speed(300)
 # 请创造师在下面接着创作
 # 请创造师在下面接着创作
+colors = ["green","red","blue","yellow"]
 for i in range(1,300):
 for i in range(1,300):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)