Fix table formatting in itertools doc (GH-12228)

Doc/library/itertools.rst

@@ -70,11 +70,16 @@ Iterator                                         Arguments                  Resu
 :func:`permutations`                             p[, r]                     r-length tuples, all possible orderings, no repeated elements
 :func:`combinations`                             p, r                       r-length tuples, in sorted order, no repeated elements
 :func:`combinations_with_replacement`            p, r                       r-length tuples, in sorted order, with repeated elements
+==============================================   ====================       =============================================================
+
+==============================================   =============================================================
+Examples                                         Results
+==============================================   =============================================================
 ``product('ABCD', repeat=2)``                    ``AA AB AC AD BA BB BC BD CA CB CC CD DA DB DC DD``
 ``permutations('ABCD', 2)``                      ``AB AC AD BA BC BD CA CB CD DA DB DC``
 ``combinations('ABCD', 2)``                      ``AB AC AD BC BD CD``
-``combinations_with_replacement('ABCD', 2)``                                ``AA AB AC AD BB BC BD CC CD DD``
-==============================================   ====================       =============================================================
+``combinations_with_replacement('ABCD', 2)``      ``AA AB AC AD BB BC BD CC CD DD``
+==============================================   =============================================================
 
 
 .. _itertools-functions: