save project

first.py/first.py

 import turtle
 pen=turtle.Pen()
-len=60
 screen=turtle.Screen()
 screen.bgcolor("pink")
 pen.penup()
 pen.goto(100,-100)
 pen.write("天空一阵巨响,\n   我闪亮登场！",font=("Times",20,"normal"))
 pen.hideturtle()
+len=screen.textinput("爱心","你想要多大的爱心？")
+size=int(len)
 pen1=turtle.Pen()
 pen1.pensize(10)
 pen1.pencolor("red")
 pen1.left(45)
-pen1.forward(2*len)
-pen1.circle(len,180)
+pen1.forward(2*size)
+pen1.circle(size,180)
 pen1.right(90)
-pen1.circle(len,180)
-pen1.forward(2*len)
+pen1.circle(size,180)
+pen1.forward(2*size)
 turtle.done()
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