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# Comments
Hash-mark comments are the most basic way to document your code. Python simply ignores all the text following a # (as long as it’s not inside a string literal), so you can follow this character with words and descriptions meaningful to programmers. Such comments are accessible only in your source files, though; to code comments that are more widely available, you’ll need to use docstrings.
In fact, current best practice generally dictates that docstrings are best for larger functional documentation (e.g., “my file does this”), and # comments are best limited to smaller code documentation (e.g., “this strange expression does that”). More on docstrings in a moment.
