python for web development tutorial pdf

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Python has become a popular programming language for web development due to its simplicity, versatility, and a wide range of frameworks and libraries. In this tutorial, we'll explore the basics of Python web development, focusing on the Flask framework. Flask is a lightweight and easy-to-extend framework that is perfect for beginners and small to medium-sized projects.
Before diving into web development, ensure that you have Python and a code editor installed on your system. You can download Python from python.org and choose a code editor like Visual Studio Code or Atom.
Once Python is installed, open a terminal and install Flask using the following command:
Create a new file, e.g., app.py, and enter the following code:
Run your app using:
Visit http://127.0.0.1:5000/ in your browser to see your first Flask app in action.
Expand your app by adding more routes:
Create a templates folder in your project directory and add an HTML file, e.g., index.html:
Update your Flask app to render this template:
Use Flask-WTF to handle forms. Install it with:
Example form in your app:
Integrate a database with Flask-SQLAlchemy:
Example model:
Implement user authentication using Flask-Login:
Example usage:
Deploy your Flask app to a hosting provider like Heroku or AWS. Refer to the respective documentation for deployment instructions.
Congratulations! You've completed a basic Python web development tutorial using Flask. This is just the beginning, and there's much more to explore as you delve deeper into the world of web development with Python. Happy coding!
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