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("yellow")
 pen=turtle.Pen()
 pen=turtle.Pen()
 pen.penup()
 pen.penup()
 pen.goto(100,-100)
 pen.goto(100,-100)
@@ -7,12 +9,14 @@ pen.write("你好\n诺依\n你是人吗\n？？？",font=("Times",50,"normal"))
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pencolor("green")
 pen1.pencolor("green")
 pen1.pensize(10)
 pen1.pensize(10)
+len=50
+
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
                                                                                                                                      
                                                                                                                                      
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