import copy

# Make deep copies of arguments to mimic behaviour of strongly typed languages.
# https://stackoverflow.com/a/15398021
def llm_by_value(f):
  def _f(*args, **kwargs):
      argsCopy = copy.deepcopy(args)
      kwargsCopy = copy.deepcopy(kwargs)
      return f(*argsCopy, **kwargsCopy)
  return _f