Python

Installation of pysftp in debian 9 and Ubuntu

We are writing Python code using Vim, and every time we want to run my code, we type this inside Vim

Try the xlrd library. From what I can see from your comment, something like the snippet below might do the trick. I'm assuming here that...

nltk tweettokenizer, Natural Language Toolkit

I see two answers with good qualities, each with a small flaw, so I will give my take on it: Try os.path.exists, and consider os.makedirs...