diff --git a/Design Hash set.py b/Design Hash set.py
new file mode 100644
index 00000000..fcfcd300
--- /dev/null
+++ b/Design Hash set.py	
@@ -0,0 +1,12 @@
+class MyHashSet:
+    def __init__(self):
+        self.set = set()
+
+    def add(self, key: int) -> None:
+        self.set.add(key)
+
+    def remove(self, key: int) -> None:
+        self.set.discard(key)
+
+    def contains(self, key: int) -> bool:
+        return key in self.set