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 …
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() …
.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 …
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 …
"TypeError: 'type' object is not subscriptable" in a function signature
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 …
python - What is the purpose of the return statement? How is it ...
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, …
python - Error: Invalid Syntax on "def" - Stack Overflow
Jan 16, 2014 · Error: Invalid Syntax on "def" Asked 14 years, 3 months ago Modified 11 years, 9 months ago Viewed 31k times
How do you use input function along with def function?
Jun 9, 2015 · I'm new to programming. I have a bit of problem with python coding (with def function). So basically the code has to give the smaller number out of 2 numbers. Question: …
How to get data out of a def function in python - Stack Overflow
Jan 23, 2018 · Trying to simplify lots of repetitive reading and writing in a script of mine, and I can not figure out how to get data out of def readfile. def writefile (FILE, DATA): file = open (FILE, …
How to call a async function from a synchronized code Python
Aug 9, 2018 · So I'm locked to a python 3.6.2 interpreter that follows my desktop application. What I want is to call an async function from a synchronized method or function. When calling …