python runtime services getcheckinterval(returns the value of the check intervalwhich specifies how often the interpreter checks for signalsthread switchesand other periodic events getdefaultencoding(gets the default string encoding in unicode conversions returns value such as 'asciior 'utf- the default encoding is set by the site module getdlopenflags(returns the flags parameter that is supplied to the function dlopen(when loading extension modules on unix see dl module getfilesystemencoding(returns the character encoding used to map unicode filenames to filenames used by the underlying operating system returns 'mbcson windows or 'utf- on macintosh os on unix systemsthe encoding depends on locale settings and will return the value of the locale codeset parameter may return nonein which case the system default encoding is used _getframe([depth]returns frame object from the call stack if depth is omitted or zerothe topmost frame is returned otherwisethe frame for that many calls below the current frame is returned for example_getframe( returns the caller' frame raises valueerror if depth is invalid getprofile(returns the profile function set by the setprofile(function getrecursionlimit(returns the recursion limit for functions getrefcount(objectreturns the reference count of object getsizeof(object [default]returns the size of object in bytes this calculation is made by calling the _sizeof_ (special method of object if undefineda typeerror will be generated unless default value has been specified with the default argument because objects are free to define _sizeof_ (however they wishthere is no guarantee that the result of this function is true measure of memory use howeverfor built-in types such as lists or stringit is correct gettrace(returns the trace function set by the settrace(function getwindowsversion(returns tuple (major,minor,build,platform,textthat describes the version of windows being used major is the major version number for examplea value of indicates windows nt and value of indicates windows and windows xp lib fl ff