Merge branch 'Second' of https://github.com/Varun270/pandas into Second

Author: Varun270

pandas/core/generic.py

@@ -4418,7 +4418,7 @@ def add_prefix(self: NDFrameT, prefix: str) -> NDFrameT:
         # expected "NDFrameT")
         # error: Argument 1 to "rename" of "NDFrame" has incompatible type
         # "**Dict[str, partial[str]]"; expected "Union[str, int, None]"
-        return self.rename(**mapper)
+        return self._rename(**mapper) # type: ignore[return-value, arg-type]
 
     @final
     def add_suffix(self: NDFrameT, suffix: str) -> NDFrameT:
@@ -4482,7 +4482,7 @@ def add_suffix(self: NDFrameT, suffix: str) -> NDFrameT:
         # expected "NDFrameT")
         # error: Argument 1 to "rename" of "NDFrame" has incompatible type
         # "**Dict[str, partial[str]]"; expected "Union[str, int, None]"
-        return self.rename(**mapper) 
+        return self._rename(**mapper) # type: ignore[return-value, arg-type]
 
     def sort_values(
         self,