Built-in function
Definition
A built-in function is a function provided by Python that is always available and does not require any additional imports. Examples include functions like len(), max(), min(), and abs().
5 Must Know Facts For Your Next Test
- Built-in functions are pre-defined and ready to use without importing any libraries.
- They can perform a variety of tasks, including mathematical operations, type conversions, and data manipulation.
- Using built-in functions can make your code more efficient and easier to read.
- Common built-in functions for mathematical operations include abs() for absolute values, round() for rounding numbers, and pow() for exponentiation.
- These functions often serve as the building blocks for more complex expressions and operations in Python.
Review Questions
- What is a built-in function in Python?
- Name three common built-in functions used for mathematical operations in Python.
- Why should you utilize built-in functions in your code?
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Related terms
Module: A file containing Python definitions and statements. Math module provides access to mathematical functions.
Expression: A combination of values, variables, operators, and calls to functions that are interpreted to produce another value.
Function: A block of organized reusable code that is used to perform a single action or related actions.
