What is Flask in Python ?

Definition

• Flask is a lightweight, web framework for Python that allows developers to create web applications quickly and easily. It is designed to be simple and flexible, with minimal boilerplate code.

Examples

from flask import Flask

app = Flask(__name__)

@app.route('/')

def home():

    return "Hello, Flask!"

if __name__ == "__main__":

    app.run(debug=True)

Output

Hello, Flask!

Features

• Provides URL routing to map urls to specific functions.
• Uses Jinja2, a powerful templating engine, for rendering HTML templates.
• Flask provides only the essential tools needed to get a web application 

Advantages

• Easy to learn and use.
• Leads to faster development and performance.
• Offers flexibility in design and architecture.

Uses

• Quickly prototyping ideas due to its simplicity and ease of setup.
• Ideal for building microservices due to its lightweight nature.
• Used by beginners and educators for learning web development