code: def insert_system(cur, system_name, encoded_data=None):
      
      if encoded_data is None:
          encoded_data = {}
  
      if 'system_name' not in encoded_data:
          encoded_data['system_name'] = system_name
  
      insert = "INSERT OR IGNORE INTO system(system_name) VALUES (:system_name);"
      cur.execute(insert, encoded_data)
docs: Insert a system name into the cache.
  
      Args:
          cur (:class:`sqlite3.Cursor`):
              An sqlite3 cursor. This function is meant to be run within a :obj:`with` statement.
  
          system_name (str):
              The unique name of a system
  
          encoded_data (dict, optional):
              If a dictionary is provided, it will be populated with the serialized data. This is
              useful for preventing encoding the same information many times.