sys.warnoptions This is an implementation detail of the warnings framework; do not modify this value. Refer to the

contextlib.redirect_stderr(new_target) Similar to redirect_stdout() but redirecting

sys.executable A string giving the absolute path of the executable binary for the Python interpreter, on systems where this

sys.__stdout__ sys.__stderr__ These objects contain the original values of stdin, stderr

sys.modules This is a dictionary that maps module names to modules which have already been loaded. This can be manipulated to

inspect.signature(callable, *, follow_wrapped=True) Return a Signature object for the given callable:

gc.get_debug() Return the debugging flags currently set.

gc.disable() Disable automatic garbage collection.

inspect.isabstract(object) Return true if the object is an abstract base class.

sysconfig.get_platform() Return a string that identifies the current platform. This is used