save project

diy1.py

@@ -5,8 +5,11 @@
 import turtle
 
 pen = turtle.Pen()
+pen.hideturtle()
 # 请创造师在下面接着创作
 distance=1
+bg = turtle.Screen()
+bg.bgcolor("black")
 color=["red","green","blue","yellow"]
 for i in range(300):
 # while True:
@@ -14,5 +17,5 @@ for i in range(300):
     pen.forward(i)
     pen.right(89)
 # 隐藏画笔，保存画布
-pen.hideturtle()
+
 turtle.done()
\ No newline at end of file

diy2.py

 import turtle
-
+bg = turtle.Screen()
+bg.bgcolor("black")
 pen = turtle.Pen()
-# 请创造师在下面接着创作
+pen.hideturtle()
 distance=1
 color=["red","green","blue","yellow"]
 # for i in range(300):
@@ -11,5 +12,5 @@ while True:
     distance+=1
     pen.right(89)
 # 隐藏画笔，保存画布
-pen.hideturtle()
+
 turtle.done()
\ No newline at end of file