Python __author__

This document gives coding conventions for the Python code comprising the standard library in the main Python distribution, python __author__. Please see the companion informational PEP describing style guidelines for the C code in the C implementation of Python.

Data Structures. Input and Output. If you quit from the Python interpreter and enter it again, the definitions you have made functions and variables are lost. Therefore, if you want to write a somewhat longer program, you are better off using a text editor to prepare the input for the interpreter and running it with that file as input instead. This is known as creating a script. As your program gets longer, you may want to split it into several files for easier maintenance. To support this, Python has a way to put definitions in a file and use them in a script or in an interactive instance of the interpreter.

Python __author__

There are many resources that teach you how to write code, but when it comes to writing clean and readable code, many beginners are unaware of the principles and techniques. In this article we'll explore how to write Python headers, one of many things that can level up the readability of your code. In general, file headers are blocks of information - often positioned at the top of the file - that contain metadata about the file and its content. Similar to this, a Python Header consists of a shebang and a docstring present at the top of the file that provides more information about the file and the code present inside it. As mentioned, headers provide metadata about the file that can help understand the context as well as track the changes in the file. It not only helps the readers, but the developers to get up to speed quickly with the context. You might see something like! It is Unix feature of executable scripts and specifies the path of a valid executable. You can specify the pathname to define a certain version of Python on the machine. Following are some examples. You can specify the encoding for the scripts. UTF-8 is the most commonly used encoding. Docstrings are usually used to provide documentation or explanation about the important pieces of code.

The use of the assignment statement eliminates the sole benefit a lambda expression can offer over an explicit def statement i.

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Given that it is useful and common to specify version numbers for Python modules, and given that different ways of doing this have grown organically within the Python community, it is useful to establish standard conventions for module authors to adhere to and reference. This informational PEP describes best practices for Python module authors who want to define the version number of their Python module. Conformance with this PEP is optional, however other Python tools such as distutils2 [1] may be adapted to use the conventions defined here. This PEP was formally rejected on The packaging ecosystem has changed significantly in the intervening years since this PEP was first written, and APIs such as importlib. Alice is writing a new module, called alice , which she wants to share with other Python developers. Alice wants to specify a version number so that her users can tell which version they are using. Because her module lives entirely in one file, she wants to add the version number to that file. Bob has written a module called bob which he has shared with many users.

Python __author__

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Try to balance the need to avoid accidental name clashes with potential use by advanced callers. Oct 12, What are Python Headers? It is up to the package author to keep this list up-to-date when a new version of the package is released. Correct: if not seq : if seq :. Consistency within a project is more important. It also includes any submodules of the package that were explicitly loaded by previous import statements. Executing modules as scripts 6. Be aware that submodules might become shadowed by locally defined names. Code Snippet: code.

This document gives coding conventions for the Python code comprising the standard library in the main Python distribution. Please see the companion informational PEP describing style guidelines for the C code in the C implementation of Python 1. This style guide evolves over time as additional conventions are identified and past conventions are rendered obsolete by changes in the language itself.

Docstrings are usually used to provide documentation or explanation about the important pieces of code. Always use self for the first argument to instance methods. What is the common header format of Python files? Any backwards compatibility guarantees apply only to public interfaces. The installation-dependent default by convention including a site-packages directory, handled by the site module. This is done to emphasize the correspondence with the fields of the POSIX system call struct, which helps programmers familiar with that. Author:: This line allows us to attribute the code to the ingenious individual behind it—you or whoever created or modified the script. Dec 30, You can modify it using standard list operations:. This does not add the names of the functions defined in fibo directly to the current namespace see Python Scopes and Namespaces for more details ; it only adds the module name fibo there. UTF-8 is the most commonly used encoding.