[3.13] gh-106318: Add examples for str.join() (GH-140315) (#141905)

Co-authored-by: Adorilson Bezerra <adorilson@gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 101294ce3924642d50f8c8b7e4b77572fcd8110a..8af89526c81ae7bf2865721ed3a0b7104467262c 100644 (file)
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -2092,7 +2092,16 @@ expression support in the :mod:`re` module).
    Return a string which is the concatenation of the strings in *iterable*.
    A :exc:`TypeError` will be raised if there are any non-string values in
    *iterable*, including :class:`bytes` objects.  The separator between
-   elements is the string providing this method.
+   elements is the string providing this method. For example:
+
+   .. doctest::
+
+      >>> ', '.join(['spam', 'spam', 'spam'])
+      'spam, spam, spam'
+      >>> '-'.join('Python')
+      'P-y-t-h-o-n'
+
+   See also :meth:`split`.
 
 
 .. method:: str.ljust(width, fillchar=' ', /)
@@ -2306,6 +2315,8 @@ expression support in the :mod:`re` module).
       >>> "   foo   ".split(maxsplit=0)
       ['foo   ']
 
+   See also :meth:`join`.
+
 
 .. index::
    single: universal newlines; str.splitlines method