Level Order Easy Implementation
\nimport queue\nclass Solution:\n    def connect(self, root: \'Optional[Node]\') -> \'Optional[Node]\':\n        if root is None:\n            return\n        m
```\nimport queue\nclass Solution:\n    def connect(self, root: \'Optional[Node]\') -> \'Optional[Node]\':\n        if root is None:\n            return\n        myqueue=queue.Queue()\n        myqueue.put(root)\n        myqueue.put(None)\n        small=[]\n        while myqueue.empty()==False:\n            front=myqueue.get()\n            if front!=None:\n                if front.left!=None:\n                    myqueue.put(front.left)\n                if front.right!=None:\n                    myqueue.put(front.right)\n                small.append(front)\n            else:\n                if myqueue.empty()==True:\n                    if len(small)==1:\n                        front=small[0]\n                        front.next=None\n                    else:\n                        for i in range(len(small)):\n                            j=i+1\n                            if j<=len(small)-1:\n                                small[i].next=small[j]\n                            if i==len(small)-1:\n                                small[i].next=None\n                    break\n                else:\n                    if len(small)==1:\n                        small[0].next=None\n                    else:\n                        for i in range(len(small)):\n                            j=i+1\n                            if j<=len(small)-1:\n                                small[i].next=small[j]\n                            if i==len(small)-1:\n                                small[i].next=None\n                small=[]\n                myqueue.put(None)    \n        return root\n```
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