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() …

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 …

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 …

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 …

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 …

May 24, 2024 · 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 …

def f(x): return x + 2 That is: we def ine a function named f, which will be given an x value. When the code runs we figure out x + 2, and return that value. Instead of describing a relationship, …

function(a, b) Note that file is one of Python's core modules, so I suggest you change the filename of file.py to something else. Note that if you're trying to import functions from a.py to a file …

What does the @ symbol do in Python?What's the syntactic or practical benefit of having decorators here, instead of (for example) just calling something like app.route("/", hello) …

__repr__ Called by the repr() built-in function and by string conversions (reverse quotes) to compute the "official" string representation of an object. If at all possible, this should look like a …