Introductory learning work with natural language processing.
Set up a Python environment of your choosing. For example, using pipenv:
$ pip install pipenv
$ pipenv shell
(gradual-languid-processing) $ pipenv install -r requirements.txt
Within this environment, download and install NLTK's packages:
(gradual-languid-processing) $ python
Python 3.7.3 (default, Apr 3 2019, 05:39:12)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import nltk
>>> nltk.download()
This will open a GUI; you can All Packages
> Download
.