psycopg2 python

import psycopg2

try:
    conn = psycopg2.connect("dbname='d86q4npnbodu6d' user='dyncedlninyqrz' host='ec2-46-51-184-229.eu-west-1.compute.amazonaws.com' password='5e92c4cc539d3c48d6c542f3e3a56883106440bffe1c2693c1bff69062070732'")

    cur = conn.cursor()

    cur.execute("""CREATE TABLE tabela (klucz INT CONSTRAINT p_key PRIMARY KEY, tekst varchar(50),  liczba INT)""")

    cur.execute("""INSERT INTO tabela VALUES (1, 'a', -2), (2, 'b', 524), (3, 'c', 0)""")

    cur.execute("""SELECT * from tabela""")

    rows = cur.fetchall()

    for row in rows:
        print(row[0], row[1], row[2])

except:
    print("unable to connect to db!")