What does -> mean in Python function definitions? - Stack Overflow
Jan 17, 2013 · 13 def f(x) -> 123: return x My summary: Simply -> is introduced to get developers to optionally specify the return type of the function. See Python Enhancement Proposal 3107 …
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 …
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() …
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 …
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 …
oop - What do __init__ and self do in Python? - Stack Overflow
Jul 8, 2017 · In this code: class A(object): def __init__(self): self.x = 'Hello' def method_a(self, foo): print self.x + ' ' + foo ... the self variable represents the instance of the object itself. Most …
What does ** (double star/asterisk) and * (star/asterisk) do for ...
Aug 31, 2008 · See What do ** (double star/asterisk) and * (star/asterisk) mean in a function call? for the complementary question about arguments.
How can I use a global variable in a function? - Stack Overflow
Jul 11, 2016 · How do I create or use a global variable inside a function? How do I use a global variable that was defined in one function inside other functions? Failing to use the global …
How can I use `def` in Jenkins Pipeline? - Stack Overflow
Nov 10, 2017 · I am learning Jenkins Pipeline, and I tried to follow this Pipeline code. But my Jenkins always complains that def is not legal. I am wondering did I miss any plugins? I …
Understanding Python super() with __init__() methods
Feb 23, 2009 · Why is super() used? Is there a difference between using Base.__init__ and super().__init__? class Base(object): def __init__(self): print "Base created" ...