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Format Python files consistently from the command line or as a repeatable project check.

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

Build parameter-driven solid models with Python and retain their construction

Build composable Python command-line interfaces from decorated functions.

Choose Python research and backtesting engines for the task

Work with multidimensional arrays and vectorized numerical operations in Python.

Build machine learning apps in Python

Python articles, tutorials and community news

Connect physical colour references with digital palettes and design files.

Find a shared palette, generate one from words or scan an image.

Generate a configurable set of separated category colours.

A written Python route from setup to practical topics

Calculate returns, portfolio statistics and allocation weights in Python

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

Maintain event-driven Python backtests with the Zipline research model

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.

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

Choose geoscience colormaps with numerical tables and import instructions.

Find limited palettes and move their colours into a pixel-art editor.

Manipulate common colour representations with a small Python interface.