Jupyter

Jupyter is the de facto standard for interactive data science. v7 (2025) of the Notebook is built on JupyterLab components, offering a modern, extensible experience.

When to Use

• Exploratory Data Analysis (EDA): Plotting data inline (matplotlib).
• Education: Teaching code with markdown explanations.
• Prototyping: Testing snippets before moving to a script.

Core Concepts

Kernels

The computation engine (IPython, IJulia).

Cells

Code cells (executed) vs Markdown cells (documentation).