partial_demonstration.py

def partial(fn, *fargs, **fkwargs):
  def wrapper_fn(*args, **kwargs):
    return fn(*fargs, *args, **fkwargs, **kwargs)
  return wrapper_fn

def function_with_several_params(a='None', b='None'):
  print(a, b)

tmp_fn = partial(function_with_several_params, a='hello')

# Execute some other code

tmp(b='goodbye') # will execute like normal