Check docs are up to date

Please check if your documentation files are still up-to-date.

The key documentation files to check are:

• docs/ABOUT.md
• docs/INSTALLATION.md
• docs/LEARNING.md
• docs/RESOURCES.md
• docs/TESTS.md
• exercises/shared/.docs/help.md
• exercises/shared/.docs/tests.md

There might be more.

Link check report

To help identify invalid links, we’ve automatically checked the links of all *.md files in this repo. This is the report of that check:

📝 Summary
---------------------
🔍 Total.........1583
✅ Successful....1574
⏳ Timeouts.........1
🔀 Redirected.......0
👻 Excluded.........0
🚫 Errors...........8

Errors in ./docs/LEARNING.md
<span style="color:#ffff55">⧖ https://www.learnpython.org/</span>

Errors in ./concepts/basics/about.md
<span style="color:#ff5555">✗ https://blog.startifact.com/posts/older/what-is-pythonic.html (error sending request for url (https://blog.startifact.com/posts/older/what-is-pythonic.html): error trying to connect: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:ssl/statem/statem_clnt.c:1915: (certificate has expired))</span>

Errors in ./reference/exercise-concepts/matrix.md
<span style="color:#ff5555">✗ https://exercism.io/tracks/python/exercises/matrix/solutions/b6a3486a35c14372b64fdc35e7c6f98f (HTTP status client error (404 Not Found) for url (https://exercism.io/tracks/python/exercises/matrix/solutions/b6a3486a35c14372b64fdc35e7c6f98f))</span>

Errors in ./exercises/concept/guidos-gorgeous-lasagna/.docs/introduction.md
<span style="color:#ff5555">✗ https://blog.startifact.com/posts/older/what-is-pythonic.html (error sending request for url (https://blog.startifact.com/posts/older/what-is-pythonic.html): error trying to connect: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:ssl/statem/statem_clnt.c:1915: (certificate has expired))</span>

Errors in ./docs/TESTS.md
<span style="color:#ff5555">✗ https://www.youtube.com/watch?v=P0pIW5tJrRM (HTTP status client error (401 Unauthorized) for url (https://www.youtube.com/oembed?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DP0pIW5tJrRM))</span>

Errors in ./concepts/basics/introduction.md
<span style="color:#ff5555">✗ https://blog.startifact.com/posts/older/what-is-pythonic.html (error sending request for url (https://blog.startifact.com/posts/older/what-is-pythonic.html): error trying to connect: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:ssl/statem/statem_clnt.c:1915: (certificate has expired))</span>

Errors in ./exercises/concept/little-sisters-essay/.docs/introduction.md
<span style="color:#ff5555">✗ https://unicode.org/emoji/'.strip('/stph:') (HTTP status client error (404 Not Found) for url (https://unicode.org/emoji/'.strip('/stph:')))</span>

Errors in ./exercises/concept/making-the-grade/.docs/hints.md
<span style="color:#ff5555">✗ https://docs.python.org/3/tutorial/controlflo.html#break-and-continue-statements-and-else-clauses-on-loops (HTTP status client error (404 Not Found) for url (https://docs.python.org/3/tutorial/controlflo.html#break-and-continue-statements-and-else-clauses-on-loops))</span>

Errors in ./reference/concepts/pythonic.md
<span style="color:#ff5555">✗ https://blog.startifact.com/posts/older/what-is-pythonic.html (error sending request for url (https://blog.startifact.com/posts/older/what-is-pythonic.html): error trying to connect: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:ssl/statem/statem_clnt.c:1915: (certificate has expired))</span>

Tracking

https://github.com/exercism/v3-launch/issues/54

[ErikSchierboom]

@BethanyG Updated! There might be some false positives, mind.

[ErikSchierboom]

Haha, lol.