auto save

diy3.py

+import turtle
+screen=turtle.Screen()
+len=int(screen.textinput("提示","你想要多大的爱心？"))
+screen.bgcolor("Light pink")
+pen=turtle.Pen()
+pen.left(45)
+pen.forward(len)
+pen.circle(len/2,180)
+pen.right(90)
+pen.circle(len/2,180)
+pen.forward(len)
+pen.penup()
+pen.goto(100,-100)
+pen.write("hello",font=("Times",15,"normal"))
+turtle.done()
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