
python - What does ** (double star/asterisk) and * (star/asterisk) do ...
Aug 31, 2008 · Note: A Python dict, semantically used for keyword argument passing, is arbitrarily ordered. However, in Python 3.6+, keyword arguments are guaranteed to remember insertion order. …
What does -> mean in Python function definitions?
Jan 17, 2013 · In Python 3.5 though, PEP 484 -- Type Hints attaches a single meaning to this: -> is used to indicate the type that the function returns. It also seems like this will be enforced in future versions …
python - How do I define a function with optional arguments? - Stack ...
467 I have a Python function which takes several arguments. Some of these arguments could be omitted in some scenarios.
Purpose of @ symbols in Python? - Stack Overflow
Jun 2, 2009 · def foo(): """ Basic Doc String """ @classmethod Googling doesn't get me very far, for just a general definition of what this is. Also i cant find anything really in the python documentation. What …
python - Why do some functions have underscores "__" before and …
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 to indicate …
What does the "at" (@) symbol do in Python? - Stack Overflow
An @ symbol at the beginning of a line is used for class and function decorators: PEP 318: Decorators Python Decorators - Python Wiki The most common Python decorators are: @property …
python - What exactly does += do? - Stack Overflow
What does += do in Python? I also would appreciate links to definitions of other shorthand tools in Python.
python - How do I detect whether a variable is a function ... - Stack ...
I have a variable, x, and I want to know whether it is pointing to a function or not. I had hoped I could do something like: >>> isinstance(x, function) But that gives me: Traceback (most
Passing functions with arguments to another function in Python?
Is it possible to pass functions with arguments to another function in Python? Say for something like: def perform (function): return function () But the functions to be passed will have argume...
How do Python functions handle the types of parameters that you pass …
Apr 7, 2017 · Python doesn't know that you are calling the function with the proper types, and expects the programmer to take care of that. If your function will be called with different types of parameters, …