diff --git a/hashlist.py b/hashlist.py
new file mode 100644
index 0000000..080ca95
--- /dev/null
+++ b/hashlist.py
@@ -0,0 +1,23 @@
+import functools
+import operator
+
+class E:
+    def __init__(self, some_list):
+        self.internal_list = some_list
+
+    def __hash__(self):
+        calc_hash = functools.reduce(operator.xor, self.internal_list, 0)
+        print(f'Calc hash for {self.internal_list} is {calc_hash}')
+        return calc_hash
+
+    def __eq__(self, other):
+        return self.internal_list == other.internal_list
+
+
+content = set()
+w1 = E([1, 2])
+w2 = E([1, 2])
+content.add(w1)
+content.add(w2)
+
+print(content)