PythonAnywhere

Yes, you literally download the installer from python.org and select the installation folder you want. This folder may very well be on a USB drive. You can also install PyCharm on your drive – and now you have a fully featured portable development environment.

“Portable Python” is a distribution of the Python programming language that . can be run without installing it . from a USB drive, for example. includes many extras such as different IDEs, wxPython, etc. the exact set of extras available depends on the version of Python.

Portable Python is a minimalistic Python distribution for Microsoft Windows that does not require elevated privileges during installation . One can simply unpack distribution into any folder (local, external, network) and start programming in Python.