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 …

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 …

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 …

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 …

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() …

Jan 3, 2016 · You need to define your functions first but if you have multiple choices you can store references to functions in a dict then call based on what the user enters, using dict.get with 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 …

Jul 8, 2017 · class Point: def __init__(self, x, y): _x = x _y = y Your x and y parameters would be stored in variables on the stack and would be discarded when the init method goes out of …

Oct 28, 2010 · Variables inside def main are local, while those outside it are global. This may introduce a few bugs and unexpected behaviors. But, you are not required to write a main() …