Flask 101
Installation: Install Python: Make sure Python is installed on your system. You can download it from python.org or use your system's package manager. Install Flask: Open a terminal or command prompt. Run the following command to install Flask using pip: pip install Flask Create a Flask App: Create a Directory: Create a new directory for your Flask project. mkdir my_flask_app cd my_flask_app aaaaaa Create a Virtual Environment (Optional): (Optional but recommended) Create a virtual environment to isolate your project dependencies: python -m venv venv Activate the virtual environment: source venv/bin/activate Create a Flask App: Create a new file, e.g., app.py , and open it in a text editor. from flask import Flask app = Flask(__name__) @app.route('/') def hello(): return 'Hello, World!' if __name__ == '__main__': app.run(debug=True) Run the Flask App: In the terminal, run the following command to start the Flask development server: python app...