inspect.getattr_static(obj, attr, default=None) Retrieve attributes without triggering dynamic lookup via the descriptor protocol

sys.setdlopenflags(n) Set the flags used by the interpreter for dlopen() calls, such as when the interpreter loads

sys.platform This string contains a platform identifier that can be used to append platform-specific components to sys

parameters An ordered mapping of parameters’ names to the corresponding Parameter objects.

format_exception_only() Format the exception part of the traceback. The return value is a generator

class contextlib.ContextDecorator A base class that enables a context manager to also be used as a decorator.

sys.getsizeof(object[, default]) Return the size of an object in bytes. The object can be any type of object. All built-in objects

sys.stdout sys.stderr File objects used by the interpreter for standard input

inspect.getfullargspec(func) Get the names and default values of a Python function’s arguments. A named

traceback.print_last(limit=None, file=None, chain=True) This is a shorthand for print_exception(sys.last_type, sys.last_value