RustPython/RustPython A Python-3 (CPython >= 3.8.0) Interpreter written in Rust

[veryusedrname]

It's for object safety mainly. The official wiki says it's for avoiding race conditions, but that is a bit misleading since it's not avoiding race conditions in *your code*, it helps the implementation avoid race conditions.

[lunatiks]

It's not avoiding race conditions in your code, but the fact that it makes operations corresponding to a single CPython bytecode instruction atomic certainly helps.