auto save

diy1.py

+import turtle
+len=50
+screen=turtle.Screen()
+screen.bgcolor("blue")
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("诺依,\n我会用turtle,\n写字了。",font=("Times",30,"normal"))
+pen.hideturtle()
+pen11=turtle.Pen()
+pen11.pensize(10)
+pen11.pencolor("red")
+pen11.left(45)
+pen11.forward(len*2)
+pen11.circle(len,180)
+pen11.right(90)
+pen11.circle(len,180)
+pen11.forward(len*2)
+turtle.done()
+
+
+