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Flask App Routing Demo

This repository contains a simple Flask application that demonstrates basic routing, variable rules, form handling, and API creation. This project is a beginner-friendly introduction to Flask, showcasing how to build a web application that can handle different routes, process user input from forms, and return JSON responses through an API.

Features

1. Welcome Page

  • Route: '/'
  • Method: 'GET'
  • Description: The home page of the application, welcoming users with a simple message.

2. Index Page

  • Route: '/index'
  • Method: 'GET'
  • Description: A secondary page that provides a welcome message.

3. Success and Fail Pages

  • Route: '/success/int:score and /fail/int:score'
  • Method: 'GET'
  • Description: Dynamic routes that display a message based on a user's score, indicating whether they have passed or failed.

4. Form Handling and Result Calculation

  • Route: '/form'
  • Method: 'GET', 'POST'
  • Description:
    • GET: Renders a form where users can input their marks for Maths, Science, and History.
    • POST: Calculates the average marks based on the form input. If the average is 50 or above, the user is redirected to the success page; otherwise, they are redirected to the fail page.

5. API for Sum Calculation

  • Route: '/api'
  • Method: 'POST'
  • Description: An API endpoint that receives two values (a and b) in JSON format and returns their sum.

How to Run the Project

  1. Clone the Repository 
    git clone https://github.com/yourusername/flask-app-routing-demo.git
cd flask-app-routing-demo
  2. Install the Dependencies 
    pip install Flask
  3. Run the Application 
    python app.py