During Python setup, you’re offered the option to install the py launcher, a small executable that lets you select (via command-line flags) which version of Python to use for a given script.

That’s how to run a Python script in terminal or CMD. It’s a very straightforward process, but it’s extremely handy if you ever want to quickly carry out a bespoke task.

It is Python’s package manager that allows you to install, upgrade, and manage Python libraries and packages easily. To install libraries, you need to run the following command.