The Zen of Python: 19 Timeless Principles for Elegant Coding (PEP-20)

One of the earliest Python pep’s is PEP-20. It’s a list of 19 theses relating to Python programming called ‘The Zen of Python.’ These rules date back to 2004 and are in turn based on PEP-8.

A little Easter egg that has been present in Python for a long time lists these 19 rules:

>>> import this
The Zen of Python, by Tim Peters

Beautiful is better than ugly.
Explicit is better than implicit.
Simple is better than complex.
Complex is better than complicated.
Flat is better than nested.
Sparse is better than dense.
Readability counts.
Special cases aren't special enough to break the rules.
Although practicality beats purity.
Errors should never pass silently.
Unless explicitly silenced.
In the face of ambiguity, refuse the temptation to guess.
There should be one-- and preferably only one --obvious way to do it.
Although that way may not be obvious at first unless you're Dutch.
Now is better than never.
Although never is often better than *right* now.
If the implementation is hard to explain, it's a bad idea.
If the implementation is easy to explain, it may be a good idea.
Namespaces are one honking great idea -- let's do more of those!

So as long as you have a Python REPL, you can get these rules on your screen!

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