importtaosconn=taos.connect()dbname="pytest_line"conn.execute("drop database if exists %s"%dbname)conn.execute("create database if not exists %s precision 'us'"%dbname)conn.select_db(dbname)lines=['st,t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"pass",c2=false,c4=4f64 1626006833639000000ns',]conn.insert_lines(lines)print("inserted")conn.insert_lines(lines)result=conn.query("show tables")forrowinresult:print(row)conn.execute("drop database if exists %s"%dbname)