: from flask import Flask, render_template, request, redirect, url_for, jsonify from models import User # Assume your model is in app = Flask(__name__) # Example 1: Basic routing and template rendering @('/') def home(): """Home View""" return render_template('') # Example 2: Dynamic routing parameters @('/user/<username>') def show_user_profile(username): """Show user information""" user = User.get_user_by_username(username) # Assume that the model method has been implemented return render_template('user_profile.html', user=user) # Example 3: Processing form submission (POST request) @('/login', methods=['GET', 'POST']) def login(): if == 'POST': username = ('username') password = ('password') # Call the model to verify the user if User.validate_user(username, password): return redirect(url_for('dashboard')) else: return render_template('', error="Invalid credentials") return render_template('') # Example 4: Return JSON data (applicable to API) @('/api/users') def get_users(
