From 0771619f41f8505e977019b6be38618ce0ea9a7f Mon Sep 17 00:00:00 2001
From: Guilherme Maruta <168042965+hiyuk1@users.noreply.github.com>
Date: Thu, 17 Jul 2025 23:10:05 -0300
Subject: [PATCH] Adding examples _typing.py

Added simple examples to Renamer
---
 pandas/_typing.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pandas/_typing.py b/pandas/_typing.py
index 889252bb00438..530fb6f60c1d0 100644
--- a/pandas/_typing.py
+++ b/pandas/_typing.py
@@ -219,6 +219,8 @@ def __reversed__(self) -> Iterator[_T_co]: ...
 )
 
 # For functions like rename that convert one label to another
+# For example, you can pass a dict like {'old_name' : 'new_name'}
+# or a function like str.lower
 Renamer: TypeAlias = Mapping[Any, Hashable] | Callable[[Any], Hashable]
 
 # to maintain type information across generic functions and parametrization