* Stage 1 * Finish restructuring, add checkboxes. * Minor format fixes * fixing broken link * fixing broken link * fixing README link * Fix multiples bad links * Fix links in reference/concepts/keywords/README.md * Correcting list description
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none
Python's null type, referred to when a null or "placeholder" is needed. It is in and of itself a singleton in any given interpreter session, so None is None is always considered True.
None is used in both binary-search-tree and markdown.
TODO: ADD MORE DETAIL
See the Python documentation entry, as well as this blog post for more details.