10 Essential Jupyter Notebook Extensions for Data Scientists | Towards Data Science
The new version of Cantor, the KDE app for mathematical, statistical and scientific calculation and analysis, now lets you collapse cells, select multiple cells, and operate on all of them at once,
Top 5 Best Jupyter Notebook Extensions · Eliot Andres blog
python - collapse cell in jupyter notebook - Stack Overflow
Heading Collapse not working if level >1 · Issue #10714 · jupyterlab/jupyterlab · GitHub
Run and debug Jupyter notebook code cells | PyCharm Documentation
jupyter lab - Can I connect and collapse multiple cells together in a ipython notebook? - Stack Overflow