old_contents: def get_list():
  	return {
  	'30675': 'S.H.I.E.L.D',
  	'31801': 'Silicon Valley'
  	}
  
new_contents: def get_list():
  	return {
  	'30675': 'S.H.I.E.L.D',
  	'31801': 'Silicon Valley',
  	'33701': 'West World 2016',
  	'28235': 'Black Mirror'
  	}
  
subject: update tv list