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A browser-based Python notebook environment that runs on hosted compute and can load or share Jupyter notebooks.

Build composable Python command-line interfaces from decorated functions.

Choose Python research and backtesting engines for the task

Rewrite Git history to remove paths, extract directories or apply custom filters.

A written Python route from setup to practical topics

Calculate returns, portfolio statistics and allocation weights in Python

Maintain event-driven Python backtests with the Zipline research model

Fit, evaluate, and reuse Python models for common supervised and unsupervised machine-learning tasks.

Manipulate common colour representations with a small Python interface.

Python tools for inspecting and manipulating font files.

Convert and interpolate colours through an extensible Python object.

Use one Python interface for several established colour-palette collections.

Python articles, tutorials and community news

Build Python web applications by pairing a small request-and-route core with the extensions your project needs.

Test entry and exit rules against historical price bars

Develop Python strategies with graphical backtesting and market gateways

Assemble portfolio backtests from reusable Python rules

Connect financial data providers to Python and research applications

Composes Python components into retrieval, search, and agent pipelines for AI applications.

Choose scientific colour maps and inspect or adapt them in Python.

Use continuous and categorical colour maps in Python visualizations.

A project-based IDE for writing and running R-centered data work, with support for Python scripts and documents.

Convert colour spaces and model perception-related transformations in Python.

Calculate colour from spectral samples and compare the results in Python.