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

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 …

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 keyword where …

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 …

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 …

Aug 18, 2020 · The following answer only applies to Python < 3.9 The expression list[int] is attempting to subscript the object list, which is a class. Class objects are of the type of their metaclass, which is …

The other respondents are correct in describing the double leading and trailing underscores as a naming convention for "special" or "magic" methods. While you can call these methods directly ([10, …

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 …

What is the main difference between class and def in python? Can a class in python interact with django UI (buttons)?

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 …