Python is a popular programming language that can be used for web development, among other things. Python has a number of frameworks that can be used for web development, including Flask, Django, Pyramid, and Bottle. Each framework has its own strengths and weaknesses, and the choice of framework will depend on the requirements of the project.

Flask is a lightweight framework that is easy to learn and can be used to quickly build small to medium-sized web applications. Flask provides a simple and flexible way to handle HTTP requests and responses, making it a popular choice for building APIs.

Django, on the other hand, is a more robust and feature-rich framework that is designed for building complex web applications. It comes with built-in support for features like user authentication, admin interface, and ORM, making it a good choice for building large-scale web applications.

Pyramid is another web framework that is designed to be flexible and modular. It allows developers to choose the components they want to use and build their own custom stack, making it a good choice for building complex applications.

Bottle is a micro web framework that is lightweight and easy to use. It is designed to be simple and minimalistic, making it a good choice for small to medium-sized applications.

Python web development can be used for a wide range of applications, including building web applications, APIs, and web scrapers. It is a popular choice among developers because of its ease of use, flexibility, and large community of developers.