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5 changes: 2 additions & 3 deletions Queue/Queue.ipynb
Original file line number Diff line number Diff line change
Expand Up @@ -77,22 +77,21 @@
" return -1 # queue overflow\n",
" else:\n",
" self.queue.append(data)\n",
" self.size += 1\n"
" \n",
" # assign the rear as size of the queue and front as 0\n",
" if self.front is None:\n",
" self.front = self.rear = 0\n",
" else:\n",
" self.rear = self.size\n",
" \n",
"
" self.size += 1\n",
" \n",
" # to pop an element from the front end of the queue\n",
" def dequeue(self):\n",
" if self.isEmpty():\n",
" return -1 # queue underflow\n",
" else:\n",
" self.queue.pop(self.front)\n",
" self.queue.pop()\n",
" self.size -= 1\n",
" if self.size == 0:\n",
" self.front = self.rear = 0\n",
Expand Down