From dc5710801266a7d4c07d7e853e4d3bb580bef3f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jure=20=C5=A0orn?= <sornjure@gmail.com>
Date: Wed, 27 Mar 2019 15:34:11 +0100
Subject: [PATCH] Collection instead of Sequence

---
 README.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index a74a3fd..55f9239 100644
--- a/README.md
+++ b/README.md
@@ -887,11 +887,11 @@ class MyHashable:
         return hash(self.a)
 ```
 
-### Sequence
+### Collection
 * **Methods do not depend on each other, so they can be skipped if not needed.**
 * **Any object with defined getitem() is considered iterable, even if it lacks iter().**
 ```python
-class MySequence:
+class MyCollection:
     def __init__(self, a):
         self.a = a
     def __len__(self):
@@ -900,6 +900,8 @@ class MySequence:
         return self.a[i]
     def __setitem__(self, i, value):
         self.a[i] = value
+    def __contains__(self, value):
+        return value in self.a
     def __iter__(self):
         for el in self.a:
             yield el