os.sync() Force write of everything to disk. Availability: Unix.

os.sched_yield() Voluntarily relinquish the CPU.

platform.version() Returns the system’s release version, e.g. '#3 on degas'. An empty string is returned if the

window.cursyncup() Update the current cursor position of all the ancestors of the window to reflect the current cursor position

ArgumentParser.add_mutually_exclusive_group(required=False) Create a mutually exclusive group. argparse will make

os.makedirs(name, mode=0o777, exist_ok=False) Recursive directory creation function. Like mkdir(), but makes all

curses.resetty() Restore the state of the terminal modes to what it was at the last call to savetty().

os.getpgid(pid) Return the process group id of the process with process id pid. If pid is 0, the process group

curses.resize_term(nlines, ncols) Backend function used by resizeterm(), performing most of the work; when resizing

class io.BufferedRandom(raw, buffer_size=DEFAULT_BUFFER_SIZE) A buffered interface to random access streams. It inherits