save project

diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 # 利用write()帮助悟空给诺依回信吧~
 import turtle
 import turtle
-
+screen=turtle.Screen()
+screen.bgcolor("red")
 pen=turtle.Pen()
 pen=turtle.Pen()
 pen.write("你好\n 诺依，\n我已经学会使用turtlee.",font=("Times",30,"normal"))
 pen.write("你好\n 诺依，\n我已经学会使用turtlee.",font=("Times",30,"normal"))
 pen.hideturtle()
 pen.hideturtle()
@@ -9,11 +10,12 @@ pen.penup()
 pen.goto(-100,0)
 pen.goto(-100,0)
 pen.pendown()
 pen.pendown()
 pen.pensize(5)
 pen.pensize(5)
-pen.pencolor("red")
+pen.pencolor("blue")
+len=30
 pen.left(45)
 pen.left(45)
-pen.forward(100)
-pen.circle(50,180)
+pen.forward(len*2)
+pen.circle(len,180)
 pen.right(90)
 pen.right(90)
-pen.circle(50,180)
-pen.forward(100)
+pen.circle(len,180)
+pen.forward(len*2)
 turtle.done()
 turtle.done()