class Tuple:
	def __init__(self,attributes,domains):
		self.attributes = [a.upper() for a in attributes]
		self.domains = [d.upper() for d in domains]
		self.tuple = []

	# Add a tuple component to the end of the tuple
	def addComponent(self, comp):
		pass

	# Return String representation of tuple; See output of run for format.
	def __str__(self):
		pass