This article isn't as much about one-liners as it is about the usefulness of the if __name__ == '__main__' idiom. It's great when a module can be consumed as a library and as a command-line script at the same time.

Unfortunately, Python isn't really that good for writing one-liners, especially those that process input. At one point I was sufficiently unhappy about this, that I tried doing something about it:

    https://github.com/gvalkov/python-oneliner