Adding sum endpoint MT-26

app.py

@@ -0,0 +1,106 @@
+from flask import Flask, render_template, request, jsonify
+import os
+
+app = Flask(__name__)
+
+# Sample data for demonstration
+sample_posts = [
+    {
+        'id': 1,
+        'title': 'Welcome to Our Web App',
+        'content': 'This is a modern Python web application built with Flask. It features a beautiful, responsive design and interactive elements.',
+        'author': 'Admin',
+        'date': '2024-01-15'
+    },
+    {
+        'id': 2,
+        'title': 'Getting Started',
+        'content': 'Learn how to use this web application effectively. Explore the features and discover what you can build.',
+        'author': 'Developer',
+        'date': '2024-01-16'
+    },
+    {
+        'id': 3,
+        'title': 'Python Web Development',
+        'content': 'Python is an excellent choice for web development. With frameworks like Flask and Django, you can build powerful web applications quickly.',
+        'author': 'Python Enthusiast',
+        'date': '2024-01-17'
+    }
+]
+
+@app.route('/')
+def index():
+    return render_template('index.html', posts=sample_posts)
+
+@app.route('/about')
+def about():
+    return render_template('about.html')
+
+@app.route('/contact', methods=['GET', 'POST'])
+def contact():
+    if request.method == 'POST':
+        name = request.form.get('name')
+        email = request.form.get('email')
+        message = request.form.get('message')
+
+        # Here you would typically save the message to a database
+        return jsonify({
+            'success': True,
+            'message': f'Thank you {name}! Your message has been received.'
+        })
+
+    return render_template('contact.html')
+
+@app.route('/api/posts')
+def api_posts():
+    return jsonify(sample_posts)
+
+@app.route('/api/posts/<int:post_id>')
+def api_post(post_id):
+    post = next((p for p in sample_posts if p['id'] == post_id), None)
+    if post:
+        return jsonify(post)
+    return jsonify({'error': 'Post not found'}), 404
+
+@app.route('/api/sum')
+def api_sum():
+    try:
+        # Get query parameters
+        n1 = request.args.get('n1')
+        n2 = request.args.get('n2')
+
+        # Check if both parameters are provided
+        if n1 is None or n2 is None:
+            return jsonify({
+                'error': 'Missing required parameters',
+                'message': 'Both n1 and n2 parameters are required'
+            }), 400
+
+        # Convert to float to handle both integers and decimals
+        try:
+            num1 = float(n1)
+            num2 = float(n2)
+        except ValueError:
+            return jsonify({
+                'error': 'Invalid number format',
+                'message': 'Both n1 and n2 must be valid numbers'
+            }), 400
+
+        # Calculate sum
+        result = num1 + num2
+
+        return jsonify({
+            'n1': num1,
+            'n2': num2,
+            'sum': result,
+            'message': f'The sum of {num1} and {num2} is {result}'
+        })
+
+    except Exception as e:
+        return jsonify({
+            'error': 'Internal server error',
+            'message': str(e)
+        }), 500
+
+if __name__ == '__main__':
+    app.run(debug=True, host='0.0.0.0', port=3000)

requirements.txt

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+Flask==2.3.3
+Werkzeug==2.3.7
+Jinja2==3.1.2
+MarkupSafe==2.1.3
+itsdangerous==2.1.2
+click==8.1.7
+blinker==1.6.3