python_nltk.txt

pip install --upgrade nltk
python -m nltk.downloader all
ptipython

Python 3.9.5 (default, May  4 2021, 03:33:11) 
Type 'copyright', 'credits' or 'license' for more information
IPython 7.25.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: from nltk.corpus import wordnet as wn

In [2]: def get_parent_classes(synset):
   ...:     while True:
   ...:         try:
   ...:             synset = synset.hypernyms()[-1]
   ...:             print(synset)
   ...:         except IndexError:
   ...:             break

In [3]: bible = wn.synset("bible.n.01")

In [4]: bible.definition()
Out[4]: 'the sacred writings of the Christian religions'

In [5]: get_parent_classes(bible)
Synset('sacred_text.n.01')
Synset('writing.n.02')
Synset('written_communication.n.01')
Synset('communication.n.02')
Synset('abstraction.n.06')
Synset('entity.n.01')

In [6]: