winreg.QueryInfoKey(key) Returns information about a key, as a tuple. key is an already open key, or one of the predefined HKEY_* constants. The result is a tuple of 3 items: Index Meaning 0 An integer giving the number of sub keys this key has. 1 An integer giving the number of values this key has. 2 An integer giving when the key was last modified (if available) as 100’s of nanoseconds since Jan 1, 1601.

os.posix_fallocate(fd, offset, len) Ensures that enough disk space is allocated for the file specified by fd starting from offset and continuing for len bytes. Availability: Unix. New in version 3.3.

xml.parsers.expat.errors.messages A dictionary mapping string descriptions to their error codes. New in version 3.2.

window.touchline(start, count[, changed]) Pretend count lines have been changed, starting with line start. If changed is supplied, it specifies whether the affected lines are marked as having been changed (changed=1) or unchanged (changed=0).

gettext.ldngettext(domain, singular, plural, n) Equivalent to dngettext(), but the translation is returned in the preferred system encoding, if no other encoding was explicitly set with bind_textdomain_codeset().

__loader__ The loader which loaded the module. Defaults to None. Changed in version 3.4: Defaults to None. Previously the attribute was optional.

readline.get_history_length() readline.set_history_length(length) Set or return the desired number of lines to save in the history file. The write_history_file() function uses this value to truncate the history file, by calling history_truncate_file() in the underlying library. Negative values imply unlimited history file size.

turtle.bgcolor(*args) Parameters: args – a color string or three numbers in the range 0..colormode or a 3-tuple of such numbers Set or return background color of the TurtleScreen. >>> screen.bgcolor("orange") >>> screen.bgcolor() 'orange' >>> screen.bgcolor("#800080") >>> screen.bgcolor() (128.0, 0.0, 128.0)

traceback.format_stack(f=None, limit=None) A shorthand for format_list(extract_stack(f, limit)).

Packer.pack_bytes(bytes) Packs a variable length byte stream, similarly to pack_string().