how to make input_box in this code?
I saw the tower of Hanoi from http://wiki.sagemath.org/animate I just only want to make input box in this sage code, but it doesn't work.
http://alpha.sagenb.org/home/pub/706/ <- Here I did,
I added
@interact
def graph(n=input_box('3', label="Number")):
and spacing all the other lines
What's wrong with this codes?