Как создать базу данных PostgreSQL из Python ?

import psycopg2
con = connect(dbname="postgres", user="postgres", host="localhost", password="", port="5432")
cur = con.cursor()
cur.execute('CREATE DATABASE database')

PyDev console: starting.
Python 3.6.8 (tags/v3.6.8:3c6b436a57, Dec 24 2018, 00:16:47) [MSC v.1916 64 bit (AMD64)] on win32
runfile('C:/Users/Striker/PycharmProjects/PrintDo/PrintDoSQL.py', wdir='C:/Users/Striker/PycharmProjects/PrintDo')
Traceback (most recent call last):
  File "<input>", line 1, in <module>
  File "C:\Program Files\JetBrains\PyCharm 2020.1\plugins\python\helpers\pydev\_pydev_bundle\pydev_umd.py", line 197, in runfile
    pydev_imports.execfile(filename, global_vars, local_vars)  # execute the script
  File "C:\Program Files\JetBrains\PyCharm 2020.1\plugins\python\helpers\pydev\_pydev_imps\_pydev_execfile.py", line 18, in execfile
    exec(compile(contents+"\n", file, 'exec'), glob, loc)
  File "C:/Users/Striker/PycharmProjects/PrintDo/PrintDoSQL.py", line 70, in <module>
    con = psycopg2.connect(dbname='postgres', user='postgres', host='localhost', password='', port="5432")
  File "C:\Python36\lib\site-packages\psycopg2\__init__.py", line 127, in connect
    conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
psycopg2.OperationalError: could not connect to server: Connection refused (0x0000274D/10061)
    Is the server running on host "localhost" (::1) and accepting
    TCP/IP connections on port 5432?
could not connect to server: Connection refused (0x0000274D/10061)
    Is the server running on host "localhost" (127.0.0.1) and accepting
    TCP/IP connections on port 5432?