Your task is to complete the code that creates an SQLite database and a table called articles. Here’s what you need to do:

1. Connect to the database my_database.db.
2. Create a cursor to execute SQL commands.
3. Use the cursor to create a table named articles with the following fields:
   • id — type INTEGER.
   • title — type TEXT.
   • content — type TEXT.
   • author — type TEXT.
4. Save the changes and close the database connection.