python - Why do some functions have underscores "__" before …
May 24, 2024 · In Python, the use of an underscore in a function name indicates that the function is intended for internal use and should not be called directly by users. It is a convention used …
python - What does ** (double star/asterisk) and * (star/asterisk) …
Aug 31, 2008 · What does ** (double star) and * (star) do for parameters? They allow for functions to be defined to accept and for users to pass any number of arguments, positional (*) and …
What is the naming convention in Python for variables and …
See Python PEP 8: Function and Variable Names: Function names should be lowercase, with words separated by underscores as necessary to improve readability. Variable names follow …
python - How can I use a global variable in a function? - Stack …
Jul 11, 2016 · In Python, variables that are only referenced inside a function are implicitly global. If a variable is assigned a new value anywhere within the function’s body, it’s assumed to be a …
What's the difference between a method and a function?
Sep 30, 2008 · A method is on an object or is static in class. A function is independent of any object (and outside of any class). For Java and C#, there are only methods. For C, there are …
python - Executing multiple functions simultaneously - Stack …
May 27, 2022 · I'm trying to run two functions simultaneously in Python. I have tried the below code which uses multiprocessing but when I execute the code, the second function starts only …
python - Run function from the command line - Stack Overflow
It is always an option to enter python on the command line with the command python then import your file so import example_file then run the command with example_file.hello () This avoids …
python - How do I define a function with optional arguments?
As mentioned by cem, upgrading to python 3.10 would allow the union (x|y) (or the Optional [...])functionality which might open some doors for alternative methods, but I'm using …
How to define enum values that are functions? - Stack Overflow
Oct 31, 2016 · Since Python 3.11 there is much more concise and understandable way. member and nonmember functions were added to enum among other improvements, so you can now …
python - What is the purpose of the `self` parameter? Why is it …
The reason you need to use self. is because Python does not use special syntax to refer to instance attributes. Python decided to do methods in a way that makes the instance to which …