Python comes with a collection of built-in data types that make common data-wrangling operations easy. Among them is the list , a simple but versatile collection type.

Use Optional to indicate that an object is either one given type or None. For example: ... Google touts Python client library for Data Commons. By Paul Krill. Jun 27, 2025 2 mins.

Learn about Python metaclasses, how to define and use them, and explore examples to understand their functionality with this comprehensive tutorial. Skip to content TechRepublic ...