built-in method
nounUK /ˌbɪltˈɪn ˈmɛθəd/
US /ˌbɪltˈɪn ˈmɛθəd/
A built-in method is a ready-made action that a computer program can already do.
The programmer used a built-in method to sort the list of names.
OTHER MEANINGS
2. A function that comes with a programming language and needs no extra code to use.
In Python, append is a built-in method for lists.
3. An action that belongs to an object and is supplied by the system.
The string object has a built-in method to change letters to uppercase.
4. A feature already included in a tool or framework rather than added by the user.
The app's built-in method for saving files made the task easy.