save project

diy1.py

 import turtle
+screen=turtle.Screen()
+screen.bgcolor("blue")
 b=turtle.Pen()
 b.penup()
 b.goto(100,-100)
 b.write("Hi,诺伊~\n用python写电子贺卡真是太有趣了~\n我也喜欢python~\n——悟空",font=("Times",18,("normal")))
 b.hideturtle()
-
- 
 a = turtle.Pen()
 a.pensize(5)
 a.pencolor("red")