Built-in Functions

Built-in functions are pre-defined functions in a programming language that are readily available for use without the need for explicit declaration or definition. These functions are designed to perform specific tasks and operations, such as mathematical calculations, string manipulations, and data type conversions. Built-in functions are an essential component of any programming language, as they provide a convenient and efficient way to perform common tasks without having to write custom code. In Data Science and Artificial Intelligence, built-in functions are used extensively in data processing, analysis, and modeling. For example, Python has a wide range of built-in functions that are commonly used in data science, such as NumPy for numerical computing, Pandas for data manipulation, and Scikit-learn for machine learning.
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