Iterable duck types

README.md

@@ -1278,7 +1278,7 @@ class MyAbcSequence(collections.abc.Sequence):
 +------------+----------+------------+----------+--------------+
 ```
 
-* **Other useful ABCs that automatically generate missing methods are: MutableSequence, Set, MutableSet, Mapping and MutableMapping — `'<abc>.__abstractmethods__'`.**
+* **Other ABCs that generate missing methods are: MutableSequence, Set, MutableSet, Mapping and MutableMapping. Required methods: `'<abc>.__abstractmethods__'`.**
 
 
 Enum

index.html

@@ -1206,7 +1206,7 @@ lock = threading.RLock(); <span class="hljs-keyword">with</span> lock: ...
 </code></pre></div>
 
 <ul>
-<li><strong>Other useful ABCs that automatically generate missing methods are: MutableSequence, Set, MutableSet, Mapping and MutableMapping — <code class="python hljs"><span class="hljs-string">'&lt;abc&gt;.__abstractmethods__'</span></code>.</strong></li>
+<li><strong>Other ABCs that generate missing methods are: MutableSequence, Set, MutableSet, Mapping and MutableMapping. Required methods: <code class="python hljs"><span class="hljs-string">'&lt;abc&gt;.__abstractmethods__'</span></code>.</strong></li>
 </ul>
 <div><h2 id="enum"><a href="#enum" name="enum">#</a>Enum</h2><pre><code class="python language-python hljs"><span class="hljs-keyword">from</span> enum <span class="hljs-keyword">import</span> Enum, auto