To deploy a Python web application to a hosting service, follow these steps:

Choose a hosting provider: Select a platform such as Heroku, PythonAnywhere, AWS, or DigitalOcean that supports Python applications.

Prepare the application: Ensure that your web application is ready for deployment. This usually includes setting up a virtual environment, installing all necessary dependencies (listed in a requirements.txt file), and having a web framework like Flask or Django.

Version control with Git: Use Git for version control. Push your code to a repository on GitHub or Bitbucket. This allows you to easily deploy your application to most hosting platforms.

Set up hosting and environment: On the hosting platform, create a new project or app. Set environment variables, such as API keys or database credentials, in the platform's settings.

Deploy the app: Use deployment commands provided by the hosting platform. For Heroku, for example, you can deploy using git push heroku main.

Monitor and scale: Once deployed, monitor the app and configure scaling options if needed.

For more detailed guidance on deploying applications and learning to code, consider enrolling in a Python course for beginners.