Source code: Lib/profile.py and Lib/pstats.py Introduction to the profilers: cProfile and profile provide deterministic profiling of Python programs. A profile is a set of statistics that describes...| Python documentation
Extending an existing tree-walk interpreter step by step.| healeycodes.com
Objects, values and types: Objects are Python’s abstraction for data. All data in a Python program is represented by objects or by relations between objects. (In a sense, and in conformance to Von ...| Python documentation