from typing import List
from typing import Tuple


def append_per_tuple(
	dataset_2tuples: List[Tuple[str,str]], 
	new_val: int
	) -> List[Tuple[str,str,int]]:
	"""
	Given a list of 2-tuple elements, append to every 2-tuple another fixed
	item, such that a list of 3-tuples is returned.
	"""
	dataset_3tuples = []
	for (val0, val1) in dataset_2tuples:
		dataset_3tuples += [(val0,val1,new_val)]
	return dataset_3tuples