#  `Connector/Python` 异常处理 - 示例
```
import mysql.connector
from mysql.connector import errorcode
try:
  connection = mysql.connector.connect(user='u1', password='secret', database='errordb')
~!@except mysql.connector.Error@!~ as ex:
  if ex.errno === errorcode.ER_ACCESS_DENIED_ERROR:
    print('Credentials error')
  elif ex.errno == errorcode.ER_BAD_DB_ERROR:
    print("Database does not exist")
  else:
    print("There is an error: {0}".format(ex))
else:
  connection.close()
```
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