how to create anew user in mysql code example

Example 1: mysql create user

CREATE USER 'user'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON * . * TO 'user'@'localhost';
FLUSH PRIVILEGES;

Example 2: mysql create user

CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';
#grant permissions to a specic database and/or table 
GRANT ALL PRIVILEGES ON database.table TO 'newuser'@'localhost';
#Or grant wildcar permission to any DB/table
GRANT ALL PRIVILEGES ON *.* TO 'newuser'@'localhost';