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  1. What does -> mean in Python function definitions?

    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 This is an …

  2. What is a DEF function for Python - Stack Overflow

    Sep 10, 2013 · 14 def isn't a function, it defines a function, and is one of the basic keywords in Python. For example:

  3. 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 to use other …

  4. oop - What do __init__ and self do in Python? - Stack Overflow

    Jul 8, 2017 · class Point: def __init__(self, x, y): _x = x _y = y Your x and y parameters would be stored in variables on the stack and would be discarded when the init method goes out of scope. Setting …

  5. 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 …

  6. 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 …

  7. 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 self …

  8. How to use the def function in IF or ELSE/ ELIF satement in python?

    Jan 3, 2016 · You need to define your functions first but if you have multiple choices you can store references to functions in a dict then call based on what the user enters, using dict.get with a default …

  9. How can we define a function without using the `def` keyword?

    Apr 7, 2018 · That is, how can we define a function without using the def or lambda keywords? What might a pure-python implementation of dehf look like if the following two pieces of code created …

  10. python calling a def () inside of def () - Stack Overflow

    Aug 1, 2018 · python calling a def () inside of def () Asked 7 years, 8 months ago Modified 3 years, 6 months ago Viewed 32k times