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
 pen=turtle.Pen()
 pen=turtle.Pen()
+lend=30
 pen.penup()
 pen.penup()
 pen.goto(100,-100)
 pen.goto(100,-100)
 pen.write("诺依，我收到你的信了\n，turtle模块真好用",font=("times",13,"normal"))
 pen.write("诺依，我收到你的信了\n，turtle模块真好用",font=("times",13,"normal"))
@@ -9,11 +10,11 @@ pen.hideturtle()
 import turtle
 import turtle
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*lend)
+pen1.circle(lend,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(lend,180)
+pen1.forward(2*lend)
 s=turtle.Screen()
 s=turtle.Screen()
 s.bgcolor("red")
 s.bgcolor("red")
 pen1.hideturtle()
 pen1.hideturtle()