save project

diy1.py

-len=5
+
 import turtle
 import turtle
+screen=turtle.Screen()
 pen=turtle.Pen()
 pen=turtle.Pen()
-pen.pensize(5)
+len1 = screen.textinput("爱心大小","你想要多大的")
+len  = int(len1)
 pen.left(45)
 pen.left(45)
 pen.forward(2*len)
 pen.forward(2*len)
 pen.circle(len,180)
 pen.circle(len,180)