Update uuid.rst

Author: LamentXU123

Doc/library/uuid.rst

@@ -449,15 +449,24 @@ Here are some examples of typical usage of the :mod:`uuid` module::
    >>> uuid.MAX
    UUID('ffffffff-ffff-ffff-ffff-ffffffffffff')
 
+   >>> # make a UUID based on the host ID and current time
+   >>> # reordered for improved DB locality
+   >>> uuid.uuid6()
+   UUID('1f0799c0-98b9-62db-92c6-a0d365b91053')
+
    >>> # get UUIDv7 creation (local) time as a timestamp in milliseconds
    >>> u = uuid.uuid7()
    >>> u.time  # doctest: +SKIP
    1743936859822
+
    >>> # get UUIDv7 creation (local) time as a datetime object
    >>> import datetime as dt
    >>> dt.datetime.fromtimestamp(u.time / 1000)  # doctest: +SKIP
    datetime.datetime(...)
 
+   >>> # make a UUID using three customizable fields
+   >>> uuid.uuid8(0x12345678, 0x9abcdef0, 0x11223344)
+   UUID('00001234-5678-8ef0-8000-000011223344')
 
 .. _uuid-cli-example: