Conect db python

import psycopg2

# print "Content-type: text\html"
# print
conn = psycopg2.connect("dbname='alunos'user='postgres'host='localhost'password='postgres'");
c = conn.cursor()
c.execute("SELECT estado FROM informacoes WHERE nome = 'fabio'")
# c.execute("insert into informacoes (nome,estado,populacao) values ('fabio','pr', 123);
")
records = c.fetchall()

# import pprint
# pprint.pprint(records)
print(records)