auto save

diy1.py

+import turtle
+import random
+screen=turtle.Screen()
+pen = turtle.Pen()
+screen.bgcolor("yellow")
+pen.penup()
+pen.goto(100,-100)
+pen.write("hello\n你好",font=("times",30,"normal"))
+pen.hideturtle()
+pen1 = turtle.Pen()
+pen1.pensize(5)
+pen1.pencolor("red")
+a=screen.textinput("提示","话多大的爱心？")
+len=float(a)
+pen1.left(45) 
+pen1.forward(2*len)
+pen1.circle(len,180)
+pen1.right(90)
+pen1.circle(len,180)
+pen1.forward(2*len)
+turtle.done()