Creating Your First Flask App
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Creating Your First Flask App
Flask is a lightweight and flexible Python web framework, perfect for beginners who want to build web applications quickly. Unlike heavier frameworks, Flask is minimal and gives you the freedom to structure your project as you like, making it an excellent choice for learning and prototyping.
To get started, install Flask using:
pip install flask
Next, create a simple Python file, say app.py:
from flask import Flask
app = Flask(__name__)
@app.route("/")
def home():
return "Hello, Flask!"
if __name__ == "__main__":
app.run(debug=True)
Here’s what’s happening:
Flask(__name__) initializes the app.
@app.route("/") defines the route for the homepage.
The function home() returns the response when users visit /.
app.run(debug=True) starts the development server with live reloading.
Run the app using:
python app.py
Then open your browser at http://127.0.0.1:5000 to see your first Flask app in action.
From here, you can add templates, handle forms, or connect to databases. Flask’s simplicity and power make it a fantastic first step into web development with Python.
Read More
Vue.js Basics for Python Backends
Introduction to React.js for Python Developers
Integrating jQuery into Flask/Django
Using Bootstrap in Python Projects
DOM Manipulation with Vanilla JavaScript
Getting Started with JavaScript
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