What does 'Built-in Library' mean?

Built-in libraries are essential components of software that provide a collection of pre-written code, tools, and functions for developers to use in their projects. These libraries are included within the software itself and are readily available for use without the need for any external installation or download. They act as a repository of commonly used or complex functions that can save developers time and effort in writing code from scratch. One of the main benefits of a built-in library is the ease of use it offers. Developers can simply import