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python's built-in help() function and docstrings provide a powerful mechanism for documenting and exploring code. this tutorial will guide you through the process of creating and utilizing help files in python, with practical code examples.
docstrings are string literals used in python to document modules, classes, functions, and methods. they provide a convenient way to associate documentation with code.
in the example above, the docstring provides information about the function's purpose, parameters, and return value.
when writing docstrings, adhere to the pep 257 style guide. use triple double-quotes for multi-line docstrings and triple single-quotes for one-liners.
use the help() function in the interactive shell to access documentation for modules, functions, classes, and methods.
sphinx is a popular tool for generating documentation from python docstrings. install sphinx using:
create a sphinx project:
edit the generated conf.py to include your modules and run:
this generates html documentation in the specified builddir.
several external libraries enhance documentation capabilities, such as numpydoc, which extends sphinx to support numpy-style docstrings.
in your sphinx conf.py, add:
now, you can use numpy-style docstrings in your code.
creating comprehensive and well-organized documentation is crucial for understanding and maintaining code. utilize python docstrings, explore help in the interactive shell, and consider tools like sphinx and external libraries for generating detailed documentation.
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