save project

cnm.py

 import turtle
+screen=turtle.Screen()
+len=screen.textinput("cnm","小bk你要多大的心？")
+len=int(len)
 pen2=turtle.Pen()
 pen2.pencolor("red")
 pen2.pensize(5)
 pen1=turtle.Pen()
-len=100
 pen1.left(45)
 pen1.forward(2*len)
 pen1.circle(len,180)
@@ -11,4 +13,4 @@ pen1.right(90)
 pen1.circle(len,180)
 pen1.forward(2*len)
 pen1.hideturle()
-pen1.done()                                                                                                                                                                                                                       
\ No newline at end of file
+turtle.done()                                                                                                                                                                                                                       
\ No newline at end of file