Added a few examples of styles one could use

content/books/things-i-learnt/code-style/index.md

@@ -23,4 +23,10 @@ And remember that even your stupid code is [part of the ecosystem of the
 language](/books/things-i-learnt/languages-are-more) and the better you
 interact with the ecosystem, the better citizen in the ecosystem you are.
 
+**TIP**: If you don't have a code style yet, and you're using a language
+that's derived from C or C++, use [K&R
+Style](https://en.wikipedia.org/wiki/Indentation_style#K&R_style); if you're
+working with Python, there is only one style:
+[PEP8](https://www.python.org/dev/peps/pep-0008/).
+
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