python web development library
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Title: Getting Started with Flask: A Python Web Development Tutorial
Introduction:
Python is a versatile programming language with a robust ecosystem of libraries and frameworks. Flask, a lightweight and easy-to-use web framework, is an excellent choice for building web applications in Python. In this tutorial, we will guide you through the basics of Flask and demonstrate how to create a simple web application.
Open your terminal or command prompt and run the following command to install Flask using pip:
Create a new file, e.g., app.py, and open it in your preferred text editor. Add the following code to create a basic Flask application:
Save the file and run the following command in your terminal:
Visit http://localhost:5000 in your web browser, and you should see the message "Hello, Flask!"
Extend your app by adding more routes and using HTML templates. Create a folder named templates in the same directory as your app.py file. Inside the templates folder, create a new file named index.html with the following content:
Modify your app.py file to include the new route and template rendering:
Restart your Flask app using the python app.py command and visit http://localhost:5000 and http://localhost:5000/about to see the updated content.
Congratulations! You've just built a simple web application using Flask. This tutorial covers the basics, and there's much more you can explore, such as working with forms, databases, and more advanced features offered by Flask. Explore the Flask documentation (https://flask.palletsprojects.com/) for further information and possibilities.
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