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  1. 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 …

  2. 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 …

  3. .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 …

  4. 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)?

  5. 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 …

  6. 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() …

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

    Sep 19, 2013 · def can be used to define a method, and this is fastest option. @A.Karimi For fun: on 2.12, even eq even. @animageofmine Scala compiler can try to inline methods. There is …

  8. 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 …

  9. 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 …

  10. c++ - How to understand .def files? - Stack Overflow

    Aug 14, 2010 · The .def file on Win32 describes what functions get exported from a DLL. Unlike with .so files on gcc/Linux, where every symbol gets exported by default, you have to tell the …