fix: use list unpacking to avoid unnecessary list copies

Signed-off-by: Frost Ming <me@frostming.com>

Author: frostming

Lib/zoneinfo/_common.py

@@ -4,9 +4,8 @@
 def load_tzdata(key):
     from importlib import resources
 
-    components = key.split("/")
-    package_name = ".".join(["tzdata.zoneinfo"] + components[:-1])
-    resource_name = components[-1]
+    *components, resource_name = key.split("/")
+    package_name = ".".join(["tzdata.zoneinfo"] + components)
 
     try:
         path = resources.files(package_name).joinpath(resource_name)