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  1. 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:

  2. 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 …

  3. python - Uso da função def - Stack Overflow em Português

    Nov 27, 2018 · def é uma palavra-chave de construção da linguagem, ela não é uma função, ela serve justamente para declarar e definir uma função. O seu código, pela indentação postada, não faz o …

  4. 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 …

  5. 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)?

  6. 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 …

  7. Why should we use -> in def __init__ (self, n) -> None:?

    Nov 20, 2020 · In python 3.5 appeared type annotation option. def __init__(self, n) -> None: means that __init__ should always return NoneType and it can be quite helpful if you accidentally return …

  8. What is the purpose of using " -> int" after a function def in Python?

    def romanToInt(self, s: str) -> int This is function name and this format is used in python. I am confused why we are using this arrow and why we are using int inside paranthesis after s. Can someone …

  9. What is the difference between "def" and "val" to define a function

    Sep 19, 2013 · def: For every call to even, it calls the body of the even method again. But with even2 i.e. val, the function is initialized only once while declaration (and hence it prints val at line 4 and never …

  10. 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 …