auto save

1.py

+import turtle
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+len=screen.textinput("提示","输入爱心大小")
+len=float(len)
+#print(type(len))
+pen=turtle.Pen()
+pen.pencolor("red")
+pen.pensize(5)
+def aixin(len):
+    pen.left(45)
+    pen.forward(len*2)
+    pen.circle(len,180)
+    pen.right(90)
+    pen.circle(len,180)
+    pen.forward(len*2)
+aixin(len)
+pen.penup()
+pen.goto(100,30)
+pen.pendown()
+aixin(len)
+pen.penup()
+pen.goto(300,80)
+pen.pendown()
+aixin(len)
+pen.hideturtle()
+
+bi=turtle.Pen()
+bi.penup()
+bi.goto(100,-100)
+bi.pencolor("blue")
+bi.write("您好\nlong time no see",font=("Times",20,"normal"))
+turtle.done()
\ No newline at end of file