gc.get_threshold() Return the current collection thresholds as a tuple of (threshold0, threshold1, threshold2)

sys.__interactivehook__ When this attribute exists, its value is automatically called (with no arguments) when the interpreter

sys.getprofile() Get the profiler function as set by setprofile().

sysconfig.get_path(name[, scheme[, vars[, expand]]]) Return an installation path corresponding to the path name, from

default The default value for the parameter. If the parameter has no default value, this attribute is set to Parameter

gc.get_stats() Return a list of three per-generation dictionaries containing collection statistics since interpreter start.

fpectl.turnon_sigfpe() Turn on the generation of SIGFPE, and set up an appropriate signal handler.

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

atexit.unregister(func) Remove func from the list of functions to be run at interpreter shutdown. After calling

sysconfig.get_makefile_filename() Return the path of Makefile.