old_contents: # a Java.Map equivalent in Python is called 'Dictionary'
  my_dict = {'some-key' : 'some-value', 'another-key' : 'another-value'}
  print(my_dict)
  
  # get the value by key using brackets
  print(my_dict['another-key'])
  
  
  # you can loop through all keys
  for k in my_dict.keys():
      print(k)
  
  # ommiting .keys() loops also on keys
  for k in my_dict:
      print(k)
  
new_contents: # a Java.Map equivalent in Python is called 'Dictionary'
  my_dict = {'some-key' : 'some-value', 'another-key' : 'another-value'}
  print(my_dict)
  
  # get the value by key using brackets
  print(my_dict['another-key'])
  
  
  # you can loop through all keys
  for k in my_dict.keys():
      print(k)
  
  # ommiting .keys() loops also on keys
  for k in my_dict:
      print(k)
  
  # you can loop through all values
  for v in my_dict.values():
      print("this is a map value: " + v)
  
  
  # you can loop through all key-values
  for k, v in my_dict.items():
      print("key: " + k + ", with value: " + v)
      
  
subject: add further examples of dictionaries