Docstrings python examples pdf

A docstring is a string literal that occurs as the first statement in a module, function, class, or method definition. This is an alternative to expressing types directly in docstrings. Examples in docstrings, besides illustrating the usage of the function or method, must be valid python code, that in a deterministic way returns the presented output, and that can be copied and run by users. The pdf class is actually a subclass of pythons list builtin, so it just. They should also have a oneline summary for each item. Doctests are a special form of docstring, used to inform users how to use a method but also to actually run tests. For more information about python docstrings, see the python tutorial. An api reference is typically generated from the code see docstrings. A tutorial should show some primary use cases in more detail. They are written at the beginning of the python file. Docstring example lets show how an example of a multiline docstring.

Python documentation string or commonly known as docstring, is a string literal, and it is used in the class, module, function, or method. For example, lets say you installed the scikitlearn library and you would like to know all about the sklearn package like description, package modules, etc. Next example gives an idea on how a docstring looks like. And last a basic example to give an idea how it looks like. Any documentation style can be used with doctests, provided you add a small call at the end of the file, the following example lets call it doctest example. Docstrings help you understand the capabilities of a module or a function. Exporting data from pdfs with python dzone big data. As you can see, to make slate parse a pdf, you just need to import slate and then create an instance of its pdf class. Along with docstrings, python also has the builtin function help that prints out the objects docstring to the console. Pep 484 introduced a standard way to express types in python code. The summary line may be on the same line as the opening quotes or on the next line.