Comparison of "Hello, World!" Applications in Flask and Node.js
Flask: A Python Microframework from flask import Flask app = Flask(__name__) @app.route('/') def hello_world(): return 'Hello, World!' if __name__ == '__main__': app.run(debug=True) Flask is a lightweight web framework for Python that provides the tools needed to create a web application. The code above demonstrates a basic Flask application that returns "Hello, World!" when accessed at the root URL ( / ). Importing Flask : The application begins by importing the Flask class from the flask module. Creating the Flask App : An instance of the Flask class is created and assigned to the variable app . Defining a Route : The @app.route('/') decorator defines a route for the root URL. The hello_world function is linked to this route and returns the string "Hello, World!". Running the App : The if __name__ == '__main__': block ensure...