save project

diy1.py

@@ -4,9 +4,13 @@
 """
 """
 import turtle
 import turtle
 distance = 1
 distance = 1
+colors=["green","orange","blue","purple"]
+screen =  turtle.Screen()
+screen.bgcolor("")
 pen = turtle.Pen()
 pen = turtle.Pen()
 # 请创造师在下面接着创作
 # 请创造师在下面接着创作
 for i in range(1,300):
 for i in range(1,300):
+    pen.color(colors[i%4])
     pen.forward(distance)
     pen.forward(distance)
     pen.right(91)
     pen.right(91)
     distance+=1
     distance+=1