Functions — Chapter Summary

A function is a block

A function is a block of organized, reusable code that performs a specific task. It runs only when it is called and can take input data and produce ou

Built

Built-in functions are always available in Python and do not need any extra module import. Examples include int(), float(), input(), eval(), min(), ma

int() converts a value into

int() converts a value into an integer, float() converts a number or numeric string into a floating-point number, and input() accepts user input as a

A module is like a file

A module is like a file containing a collection of functions and variables that can be imported and used in another program. The math module provides

A user

A user-defined function is a block of code written by the user to perform a specific task. The def keyword is used to declare it, and a function has d