explain that using binder the url is temporary and that the notebook has to be saved locally

print("a string with spaces", " another one", "How do I know when they start and end?", sep="_") is too long and do not show correctly.
two choices:

1. be transformed in multi-line => how to do multi-line should be explained beforehand
2. find shorter string as examples

To be able to make the tutorials better and start a good feedback loop, a link to a survey about this particular tutorial at the end would be useful.

Get some feedback on the tutorial

• completion
• time to completion
• did you learn something?
• was it too hard?
• ...)

and some information about the user

• general programming level
• python programming level

• boolean part is hard. Difficult to understand the or and and table

1- it is not correct x%2 is zero so its false. Text should be changed
2- the implicit transformation from int to boolean should be explained.

when committing something got a Page build warning mail

The page build completed successfully, but returned the following warning for the gh-pages branch:

The CNAME tutorials.codebar.io is already taken. Check out https://help.github.com/articles/troubleshooting-custom-domains/#cname-already-taken for more information.

For information on troubleshooting Jekyll see:

https://help.github.com/articles/troubleshooting-jekyll-builds

If you have any questions you can contact us by replying to this email.

This bug has been found by Raquel.

subject for the second tutorial

• text processing
• web crawling
• modules and how to import them
• i/o

Honor Track

• regexp