Python | Very Easy List implementation
\nclass MyHashSet(object):\n\n    def __init__(self):\n        self.result = []\n        \n\n    def add(self, key):\n        self.result.append(key)\n        \
```\nclass MyHashSet(object):\n\n    def __init__(self):\n        self.result = []\n        \n\n    def add(self, key):\n        self.result.append(key)\n        \n\n    def remove(self, key):\n        if key in self.result:\n            self.result = list(set(self.result))\n            del self.result[self.result.index(key)]\n        \n        \n    def contains(self, key):\n        if key in self.result:\n            return True\n        else:\n            return False\n```
['Python', 'Python3']