Answer :

Answer:

Four

Explanation:

In Python, there are primarily four types of functions:

1. Built-in Functions: These are functions that are predefined in Python and are readily available for use without the need for importing any module. Examples include [tex]`print()`, `len()`, `max()`, `min()`,[/tex] etc.

2. User-defined Functions: These are functions that are defined by the user to perform specific tasks. User-defined functions are created using the `def` keyword followed by the function name, parameters, and the function body. They offer flexibility and allow users to encapsulate reusable code.

3. Lambda Functions (Anonymous Functions): Lambda functions are small, anonymous functions defined using the [tex]`lambda`[/tex] keyword. They can have any number of parameters but can only have one expression. Lambda functions are typically used when a function is required for a short period and is not required to be named.

4. Higher-order Functions: Higher-order functions are functions that can take other functions as arguments or return functions as results. They enable functional programming paradigms such as map, filter, and reduce. Examples of higher-order functions in Python include [tex]`map()`, `filter()`, `reduce()`[/tex], etc.

These four types of functions provide developers with powerful tools for building modular, reusable, and efficient code in Python.