gh-106318: Add "See also" for str.rstrip() and str.strip() methods

Author: adorilson

Doc/library/stdtypes.rst

@@ -2616,14 +2616,16 @@ expression support in the :mod:`re` module).
       >>> 'mississippi'.rstrip('ipz')
       'mississ'
 
-   See :meth:`str.removesuffix` for a method that will remove a single suffix
+   See :meth:`removesuffix` for a method that will remove a single suffix
    string rather than all of a set of characters.  For example::
 
       >>> 'Monty Python'.rstrip(' Python')
       'M'
       >>> 'Monty Python'.removesuffix(' Python')
       'Monty'
 
+   See also :meth:`strip`.
+
 
 .. method:: str.split(sep=None, maxsplit=-1)
 
@@ -2792,6 +2794,8 @@ expression support in the :mod:`re` module).
       >>> comment_string.strip('.#! ')
       'Section 3.2.1 Issue #32'
 
+   See also :meth:`rstrip`.
+
 
 .. method:: str.swapcase()