Open the terminal. · Type nano ~/.bash_profile and enter. · Now add the line alias python=python3 · Press CTRL + x then y to save it. (Or just save ... ... <看更多>

In this tutorial, I'll show how to switch between Python versions in Windows 10. It's important to know how to change the Python version ... ... <看更多>

http://nedbatchelder.com/blog/200810/switching_python_versions_on_windows.html. Change the .py file extension to point to a different. Python installation. ... <看更多>

From the comment: sudo update-alternatives --config python. Will show you an error: update-alternatives: error: no alternatives for python3. ... <看更多>

To make the change over easier, here's a cheat sheet for writing python ... how you could downgrade your python version if using Anaconda. ... <看更多>