import mysql.connector
from mysql.connector import errorcode

try:
  cnx = mysql.connector.connect(user='root', password='xxx',
                                database='DOZENT')
except mysql.connector.Error as err:
  if err.errno == errorcode.ER_ACCESS_DENIED_ERROR:
    print("Something is wrong with your user name or password")
  elif err.errno == errorcode.ER_BAD_DB_ERROR:
    print("Database does not exist")
  else: 
    print(err)
else: 
  cnx.close()
print("seams all is ok")