from flask import Flask, request
from flask_restful import Resource, Api

app = Flask(__name__)
api = Api(app)

todos = []

class TodoResource(Resource):
    def get(self):
        return todos

    def post(self):
        data = request.get_json()
        todos.append(data)
        return data, 201

api.add_resource(TodoResource, '/todos')

if __name__ == '__main__':
    app.run(debug=True)

Demonstrates a simple Flask-RESTful API with a Todo resource for listing and creating items.