You need to ensure that the web hosting provider you end up choosing supports multiple versions of Python. Some of the most widely used ones are Python 3.8.1, Python 3.7.6, Python 3.6.10, Python 3.5.9, Python 3.5.8, Python 2.7.17, Python 3.7.5, Python 3.8.0, Python 3.7.4, Python 3.6.9, and Python 3.9.0.