Python: Data Types
Reference for Python's built-in data types: numeric, sequence, mapping, set, boolean, binary, and NoneType, plus type checking, conversion, mutability, and common pitfalls.
Data-Types
Rust: Data Types
Reference for Rust's data types: primitives, compound and collection types, custom types, Option/Result, smart pointers, aliases, references, and raw pointers, with a troubleshooting table.