text: # Dictionaries
  # - mapping iterable
  # - declare
  # - add/remove items
  # - loop through all items
  # - dict()
  # - zip()
  # - dir()
  # - duck typing revisited
  
  pond = dict(depth=10, area="210 square feet", fish=["Mary", "Bob", "Billy"])
  print(pond)
  
  alligator = dict(
      [
          ("lifespan", 50),
          ("length", 3.4),
          ("lengthUnits", "m"),
          ("species", ["American Alligator", "Chinese Alligator"]),
          (
              "funFact",
              "As an alligator's teeth are worn down, they are replaced. "
              + "An alligator can go through 3,000 teeth in a lifetime.",
          ),
      ]
  )
  print(alligator)
  
  keys = ["name", "home runs", "strikeouts", "rbi"]
  values = ["Babe Ruth", 7214, 1330, 2214]
  player = dict(zip(keys, values))
  print(player)
  
  print(dir(player))
  