input: def refresh_table():
      """This function refreshes a given table of data in a PostgreSQL database every 5 minutes.
      It uses the 'psycopg2' library to connect to the database and the 'schedule' library to automate the refresh.
      >>> refresh_table()
      ...
      # Table is refreshed every 5 minutes.
      """
output:     
      import psycopg2
      import schedule
      import time
  
      def refresh_table():
          def refresh():
              conn = psycopg2.connect(database="your_db", user="your_user", password="your_password", host="your_host", port="your_port")
              cur = conn.cursor()
              cur.execute("REFRESH MATERIALIZED VIEW your_table;")
              conn.commit()
              cur.close()
              conn.close()
  
          schedule.every(5).minutes.do(refresh)
  
          while True:
              schedule.run_pending()
              time.sleep(1)
  