def fill_dict_with_dummy_values(fill_values, target_dict, dummy=False):
	"""
	Takes a list of value names and a dict and returns the dict with
	the selected values replaced with a dummy.
	"""
	ret_dict = target_dict.copy()
	for val in fill_values:
		if val not in ret_dict:
			ret_dict[val] = dummy
	return ret_dict