Using self.xxxx as a default parameter - Python

Question

I\'m trying to simplify one of my homework problems and make the code a little better. What I\'m working with is a binary search tree. Right now I have a function in my

Answer 1

If you want to treat None as a valid argument, you could use a **kwarg parameter.

def function(arg1, arg2, **kwargs):
    kwargs.setdefault('arg3', default)
    arg3 = kwargs['arg3']

    # Continue with function

function("amazing", "fantastic") # uses default
function("foo", "bar", arg3=None) # Not default, but None
function("hello", "world", arg3="!!!")