Returns a tuple containing default argument values for those arguments that have defaults, or None if no arguments have a default value.

function.func_defaults

tuple

#TODO

The func_defaults attribute is writeable.

>>> def foo(a, b='bar'): pass
...
>>> foo.func_defaults
('bar',)
EXAMPLE 2
>>> def foo(a, b='bar'): pass
...
>>> foo.func_defaults = 'bamf',
>>> foo.func_defaults
('bamf',)

#TODO