[docs]defconcatenate_rows(row:dict)->str:"""Combine message information in a readable format ready to be used. Args: row: dictionary containing message information. """sender=row["sender_name"]text=row["content"]date=datetime.datetime.fromtimestamp(row["timestamp_ms"]/1000).strftime("%Y-%m-%d %H:%M:%S")returnf"{sender} on {date}: {text}\n\n"