save project

diy1.py

+import turtle
+screen=turtle.Screen()
+screen.bgcolor("green")
+len=screen.textinput("提示","请问你要多大的爱心")
+len = int(len)
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("1+1=3",font=("time",30,"normal"))
+pen.hideturtle()
+pen1=turtle.Pen()
+pen1.left(45)
+pen1.forward(2*len)
+pen1.circle(len,180)
+pen1.right(90)
+pen1.circle(len,180)
+pen1.forward(2*len)
+turtle.done()
+
+