Translated the weekday sentence

李逸帆 · 李逸帆 · commit 893e7f61966b · 2023-08-05T15:56:08.000+08:00
diff --git a/library/datetime.po b/library/datetime.po
@@ -931,6 +931,8 @@ msgid ""
 "For example, ``date(2002, 12, 4).weekday() == 2``, a Wednesday. See also :"
 "meth:`isoweekday`."
 msgstr ""
+"回傳一個代表星期幾的整數，星期一為0，星期日為6。"
+"舉例，``date(2002, 12, 4).weekday() == 2``，為星期三，可以參考：meth:`isoweekday`"
 
 #: ../../library/datetime.rst:678
 msgid ""
