Access denied for user root localhost mysql. Подключение mysql к php. ошибка подключения mysql: access denied for user ''@'localhost' (using password: no). python host local. connection error python.

Access denied for user root localhost mysql. Подключение mysql к php. ошибка подключения mysql: access denied for user ''@'localhost' (using password: no). python host local. connection error python.
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