old_contents: import tablib
  
  headers = ('first_name', 'last_name', 'gpa')
  
  data = [
  	('John', 'Adams', 4.0),
  	('George', 'Washington', 2.6),
  	('Henry', 'Ford', 2.3)
  ]
  
  data = tablib.Dataset(*data, headers=headers)
  
  #print data[1]
  data.append(['kenneth' ,'reitz', 4.3])
  
  
  #print data.digest()
  
  print data.json
  
  data.headers = None
  
  print data.json
new_contents: import tablib
  
  headers = ('first_name', 'last_name', 'gpa')
  
  data = [
  	('John', 'Adams', 4.0),
  	('George', 'Washington', 2.6),
  	('Henry', 'Ford', 2.3)
  ]
  
  data = tablib.Dataset(*data, headers=headers)
  
  #print data[1]
  data.append(['kenneth' ,'reitz', 4.3])
  
  
  #print data.digest()
  
  #print data.yaml
  #print data.json
  
  data.headers = None
  #print data.csv
  print data.xls
  #print data.yaml
  #print data.json
subject: Test tests.