Python

You can add system variable by (by doing this you can use easy_install without specifying path) 1 Clicking on Properties of My Computer 2 Then chose Advanced...

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...

The essential thing to do with an in-depth learning framework is to classify an image with a pre-trained model. This article works out of the box with PyTorch.

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...