1. Flask is lightweight and easy to use: Flask is a lightweight web framework written in Python. It is easy to learn and use, making it a great choice for beginners and experienced developers alike.
2. Flask is highly extensible: Flask is highly extensible, allowing developers to add custom functionality and features to their applications. For example, Flask-SQLAlchemy provides an ORM layer for developers to easily interact with their databases.
3. Flask is flexible: Flask allows developers to choose the best tools and libraries for their applications. For example, Flask supports popular templating engines such as Jinja2 and Mako, as well as popular database libraries such as SQLAlchemy and MongoEngine.
4. Flask is well-documented: Flask has comprehensive documentation, making it easy for developers to learn and use. Additionally, there are many helpful tutorials and resources available online, making it easy to get started with Flask.