Huh? That's only true if you don't use any libraries, right?
What if you want to use something like delegator[0] to make running shell commands less toilsome?
What if you want to use something like delegator[0] to make running shell commands less toilsome?
*clearly, i've never taken a python CS style class, but it this importing core functions is just strange to me
"os" is a second-party library. You didn't write it; it was included in the Python distribution for you.
What you're asking, I think is why the "os" functions are not, in Python terminology, "builtins." The builtins are functions that are available without any kind of import: like len(), max(), sorted(), etc.
https://docs.python.org/3/library/functions.html
Why do you have to "import os"? Python was designed that way, that's all. So were the majority of other languages that come with standard libraries. (JavaScript is one exception that comes to mind, but there aren't many such exceptions.)
The discussion above relates to "virtual environments", which are ways to manage third-party dependencies. My claim is that virtualenvs, while handy for general-purpose development, are basically pointless for replacing shell scripts. You don't need them -- the core language and its standard library are sufficient for most shell scripting purposes. I'm basing this opinion on my ~20 years of using Python for this kind of work.