auto save

diy1.py

+import turtle
+pen=turtle.Screen()
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("一诺,turtle真好用,\n我会在画布上写字!",font=("Times",25,"normal"))
+pen.hideturtle()
+pen1=turtle.Pen()
+pen1.left(-45)
+pen1.pensize(10)
+pen1.pencolor("red")
+pen1.left(90)
+pen1.forward(100)
+pen1.circle(50,180)
+pen1.right(90)
+pen1.circle(50,180)
+pen1.forward(100)
+turtle.done()
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