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Functions and Built-in Functions

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Functions and Built-in Functions

Functions are reusable blocks of code that perform a specific task. They take inputs, process them, and return an output. Python provides many built-in functions like print() for displaying output, len() for finding the length of a sequence, and type() for determining the data type of a variable. These built-in functions are readily available for use, while you can also define your own custom functions, also known as user-defined functions (UDFs), to encapsulate specific logic and improve code organization.

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