Debug an ISBN Validator

[frodo22]

The test # 20 says:

When the user

enters 9781947172104,13,

you should see the message

Valid ISBN Code.

But this is not possible because

9781947172104,13

is an Invalid ISBN Code.

Websites like

https://isbnsearch.org,

ISBN Validator

and two more websites say

confirmed my assertion.

[ILM]

I am checking with the ISBN validator you linked, it say that’s valid

can you show what you see?

[mr.lefty92]

I just finished this section, and I struggled a lot with the last one too. I ended up looking at the ISBN checker website’s source code to figure out the answer. It’s written in JavaScript, but if you’ve done enough Python, you can start to see the similarities between the two. I had to spend a solid 30 minutes studying it before I finally figured out where I was going wrong in my own code.

[ILM]

instead of copying code, open a topic on the forum for human help