code: def set_db_row(db, start, size, _bytearray):
      
      client.db_write(db, start, size, _bytearray)
docs: Here we replace a piece of data in a db block with new data
  
      Args:
         db (int): The db to use
         start(int): The start within the db
         size(int): The size of the data in bytes
         _butearray (enumerable): The data to put in the db