What does -> mean in Python function definitions? - Stack Overflow
Jan 17, 2013 · def foo() -> lambda hi: True: "function body" # not a type expressions Beside the first the others have no typing meaning; but it still is valid syntax to hide a lambda definition in the return …
What is a DEF function for Python - Stack Overflow
Sep 10, 2013 · I am new to coding Python and I just can't seem to understand what a Def function is! I have looked and read many tutorials on it and I still don't quite understand. Can somebody explain to …
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() because that …
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 in PEP …
.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 new api in …
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 function …
How do I define a function with optional arguments?
def add(x,y): return x+ y # calling this will require only x and y add(2,3) # 5 If we want to add as many arguments as we may want, we shall just use *args which shall be a list of more arguments than the …
python - Differences between `class` and `def` - Stack Overflow
What is the main difference between class and def in python? Can a class in python interact with django UI (buttons)?
Groovy: what's the purpose of "def" in "def x = 0"?
Oct 9, 2008 · However, variables defined using the keyword "def" are treated as local variables, that is, local to this one script. Variables without the "def" in front of them are stored in a so called binding …
python - Why use def main ()? - Stack Overflow
Oct 28, 2010 · Variables inside def main are local, while those outside it are global. This may introduce a few bugs and unexpected behaviors. But, you are not required to write a main() function and call it …