Access denied for user 'test'@'172.25.0.2' (using password: YES) docker code example

Example 1: ERROR 1045 (28000): Access denied for user 'labanino'@'localhost' (using password: NO)

mysql -u root -p

Example 2: access denied for user 'root'@'localhost' python sql-connect error

SELECT user,authentication_string,plugin,host FROM mysql.user;
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'Current-Root-Password';
FLUSH PRIVILEGES;