Tim Hart and Mike Levin at MIT created the first LISP compiler, in LISP, in 1962; the compiler itself was compiled by running Russell’s LISP interpreter on the compiler source code.

The new interpreter will run Python programs as much as 5% faster, with no changes to existing code required. A beta of Python 3.14 is due in May.

What does source code actually mean? ... See lines of code, compiler, assembler and interpreter. High Level vs. Low Level. ... Java and Python. However, ...

The source code is provided as a 157-page PDF of scanned fan-fold paper rather than as source in a convenient repository.. An annotated disassembly of Altair BASIC 3.2 can be found on GitHub.