text: stockDict = { 'GM': 'General Motors', 'CAT': 'Caterpillar', 'EK':"Eastman Kodak" }
  
  purchases = [ ( 'GE', 100, '10-sep-2001', 48 ), ( 'CAT', 100, '1-apr-1999', 24 ),
   ( 'GE', 200, '1-jul-1998', 56 ) ]
  
  for p in purchases:
  	print(p[1]*p[3])
  	# company_ticker = p[0]
  	# company_name = stockDict[company_ticker]
  
  for k, v in stockDict.items():
  	print(v)
  
  # full_name = {"symbol " + k + "'s" + "full name is " + v for (k,v) in stockDict.items()}
  # 	print(full_name)
  
  
  
  