What is the most pythonic way to check if multiple variables are not None?

Question

If I have a construct like this:

def foo():
    a=None
    b=None
    c=None

    #...loop over a config file or command line options...

    if a is not None an         


        

Answer 1

There's nothing wrong with the way you're doing it.

If you have a lot of variables, you could put them in a list and use all:

if all(v is not None for v in [A, B, C, D, E]):