text: things = ['a', 'b', 'c', 'd']
  print(things)
  print(things[1])
  things[1] = 'z'
  print(things[1])
  print(things)
  things = ['a', 'b', 'c', 'd']
  print("=" * 50)
  stuff = {'name' : 'Jinkyu', 'age' : 40, 'height' : 6 * 12 + 2}
  print(stuff)
  print(stuff['name'])
  print(stuff['age'])
  print(stuff['height'])
  stuff['city'] = "SF"
  print(stuff['city'])
  stuff[1] = "Wow"
  stuff[2] = "Neato"
  print(stuff)
  print(stuff[1])
  print(stuff[2])
  del stuff['city']
  del stuff[1]
  del stuff[2]
  print(stuff)
  
  