Article Mini projects Medical dispenser - Don’t trust the user …event_string = json.dumps(event_copy, sort_keys=True) expected_hmac = self._compute_hmac(event_string) if expected_hmac != stored_hmac: raise ValueError(f"HMAC verification failed at event {i}")… 21 Nov 2025
Article Python Fundamentals Python Functions for Beginners …when you need a quick throwaway function, for example when sorting a list. Anything a lambda can do, a normal def can do too, and the def version is usually easier to read. Leave lambdas for later… 14 Oct 2026
