Luckily, assigning to True and False affects only the current module. If he had changed __builtins__.True and __builtins__.False, on the other hand... (Python

Luckily, assigning to True and False affects only the current module. If he had changed __builtins__.True and __builtins__.False, on the other hand... (Python has a search path: it looks first on the current module, then on the built-in __builtins__ module, which is where the built-in constants and functions reside.)