new_contents: import deck
  import card
  
  # select the deck these cards are to be added to
  d1 = deck.Deck('mew.json')
  
  # put all of the cards here
  cardFronts = ["Newton's Law of Universal Gravitation",'Kinetic Energy']
  
  # put all of the tags here (the same for all cards)
  tagSet = ['physics']
  
  cardList = [card.Card(front,{},tagSet) for front in cardFronts]
  d1.addCards(cardList)
  
  # choose where to save the deck
  d1.save('mewtwo.json')
  
subject: add script for batch inserting new cards