#the #top20 #mostpopular #python #libraries
NumPy
pandas
Matplotlib
Seaborn
Scikit-learn
TensorFlow
Keras
PyTorch
Theano
SciPy
NLTK
spaCy
gensim
requests
BeautifulSoup
Flask
Django
PyQt
Pygame
OpenCV
Note that these are just a small selection of the many libraries available for Python and the most popular, many libraries exist for different purpose, and the list can change over time, so it's worth checking for new libraries on a regular basis.