As a cloud and DevOps engineer, I am well-equipped to help you deploy your Python-based web application from a local environment to a reliable cloud platform. My approach includes using Flask or Django to develop an efficient backend that can process and update Excel files, paired with a simple frontend to display real-time updates for users. I will create structured API endpoints to ensure smooth communication between the backend and frontend, allowing for seamless data updates. Additionally, I can incorporate a database if needed for better data management beyond direct Excel file handling. My deployment strategy includes selecting a suitable cloud service like Heroku or DigitalOcean, ensuring your application is optimized for performance, security, and scalability. Protecting your sensitive data is a priority, and I will configure server permissions, implement HTTPS for secure data transmission, and provide authentication if necessary to prevent unauthorized access. Following deployment, I will conduct thorough testing to confirm that all update functions and live data displays are working as intended in the cloud environment. With my expertise, I am confident in delivering a robust, user-friendly solution that meets your project goals within your budget and timeline. I look forward to collaborating with you on this project to ensure its success.