在 cmd 输入 pip install requests 前，不妨先输入一个命令，查看本机有哪些 Python 环境： where python cmd 显示如下： ...

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.

Take control of multiple Python installations in Windows with the py launcher, available as part of a standard Python installation.

The idea is pretty simple. Nearly all command line Python programs use argparse to simplify picking options and arguments off the command line as well as providing some help. The Gooey decorator ...