
How can I return two values from a function in Python?
I would like to return two values from a function in two separate variables. What would you expect it to look like on the calling end? You can't write a = select_choice(); b = select_choice() …
python - What does def main () -> None do? - Stack Overflow
As is, it does absolutely nothing. It is a type annotation for the main function that simply states that this function returns None. Type annotations were introduced in Python 3.5 and are specified …
python - Error: Invalid Syntax on "def" - Stack Overflow
Jan 16, 2014 · Error: Invalid Syntax on "def" Asked 14 years, 3 months ago Modified 11 years, 9 months ago Viewed 31k times
How to put a define inside a define function - Stack Overflow
Apr 3, 2015 · def move(): def left(): i.e. If there is only one function inside a function it is feasible to return left() from move function. However in this case there are multiple functions inside move …
.def files C/C++ DLLs - Stack Overflow
Jul 21, 2014 · The advantage of def file is that, it helps you to maintain the backword compatibility with the already realsed dlls. i.e it maintains the ordinal numbers for apis. Suppose you add a …
Groovy: what's the purpose of "def" in "def x = 0"?
Oct 9, 2008 · Using the def keyword in larger programs is important as it helps define the scope in which the variable can be found and can help preserve encapsulation. If you define a method …
function - what is "def" in Java class - Stack Overflow
Jan 14, 2021 · while googling, I find that "def" is used in python and groovy language. But, I am using java. So, how come it is possible to use keywords like "def" in java class? Is it possible …
Using len () and def __len__ (self): to build a class
Feb 27, 2013 · Just curious, Is there any difference (advantages and disadvantages) between using len () or def __len__ () when I build a class? And which is the best Python style? class …
What is the purpose of the `self` parameter? Why is it needed?
For a language-agnostic consideration of the design decision, see What is the advantage of having this/self pointer mandatory explicit?. To close debugging questions where OP omitted a …
Is the `def` keyword optional? If so, why use it? - Stack Overflow
Mar 18, 2020 · I have noticed that this is extendable to all code - anytime you want to define a variable and set its value, eg var = 2 the def keyword can be safely left out. It only appears to …