Understanding Flask in Python

Flask is a popular web framework for Python. It is lightweight, easy to use, and provides a simple way to build web applications. If you’re just getting started with Python and want to learn how to build web applications, Flask is a great place to start.

Getting Started with Flask

To get started with Flask, you’ll need to have Python installed on your computer. Once you have Python installed, you can install Flask using pip, the Python package manager. Simply run the following command in your terminal:

pip install flask

Once you have Flask installed, you can start building your first web application. Create a new file called app.py, and add the following code:

from flask import Flask

app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, World!'

if __name__ == '__main__':
    app.run()
  

Save the file, and then run it using the following command in your terminal:

python app.py

Building Your First Flask Application

With your Flask application up and running, you can now start building out the functionality of your web application. You can create routes, handle form submissions, and interact with databases using Flask and Python. There are plenty of resources available online to help you get started with Flask, so don’t hesitate to dive in and start building your first web application.

Conclusion

Flask is a great web framework for Python, and it’s perfect for beginners who are looking to start building web applications. With its ease of use and simplicity, Flask provides a great introduction to web development with Python. So, if you’re looking to start building web applications with Python, give Flask a try!