Day88 - Interview Usecases Questions.ipynb

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   "source": [
    "`Write a Python function to check if two strings are anagrams.`"
   ]
  },
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   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
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     "text": [
      "True\n"
     ]
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   "source": [
    "def are_anagrams(str1, str2):\n",
    "    return sorted(str1) == sorted(str2)\n",
    "\n",
    "# Example usage:\n",
    "word1 = \"listen\"\n",
    "word2 = \"silent\"\n",
    "result = are_anagrams(word1, word2)\n",
    "print(result)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`Write a Python function to find the Nth number in the Fibonacci sequence.`"
   ]
  },
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   "cell_type": "code",
   "execution_count": 2,
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "8\n"
     ]
    }
   ],
   "source": [
    "def fibonacci(n):\n",
    "    if n <= 1:\n",
    "        return n\n",
    "    else:\n",
    "        return fibonacci(n-1) + fibonacci(n-2)\n",
    "\n",
    "# Example usage:\n",
    "n = 6\n",
    "result = fibonacci(n)\n",
    "print(result)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`Write a Python function to remove duplicates from a list while preserving the order.`"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[1, 2, 3, 4, 5]\n"
     ]
    }
   ],
   "source": [
    "def remove_duplicates(nums):\n",
    "    unique_nums = []\n",
    "    for num in nums:\n",
    "        if num not in unique_nums:\n",
    "            unique_nums.append(num)\n",
    "    return unique_nums\n",
    "\n",
    "# Example usage:\n",
    "numbers = [1, 2, 2, 3, 4, 4, 5]\n",
    "result = remove_duplicates(numbers)\n",
    "print(result)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`Implement a simple queue in Python with enqueue and dequeue operations.`"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n"
     ]
    }
   ],
   "source": [
    "class Queue:\n",
    "    def __init__(self):\n",
    "        self.items = []\n",
    "\n",
    "    def enqueue(self, item):\n",
    "        self.items.append(item)\n",
    "\n",
    "    def dequeue(self):\n",
    "        if not self.is_empty():\n",
    "            return self.items.pop(0)\n",
    "\n",
    "    def is_empty(self):\n",
    "        return len(self.items) == 0\n",
    "\n",
    "# Example usage:\n",
    "queue = Queue()\n",
    "queue.enqueue(1)\n",
    "queue.enqueue(2)\n",
    "queue.enqueue(3)\n",
    "print(queue.dequeue())"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`Write a Python function to check if a given number is prime.`"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n"
     ]
    }
   ],
   "source": [
    "def is_prime(num):\n",
    "    if num < 2:\n",
    "        return False\n",
    "    for i in range(2, int(num**0.5) + 1):\n",
    "        if num % i == 0:\n",
    "            return False\n",
    "    return True\n",
    "\n",
    "# Example usage:\n",
    "number = 11\n",
    "result = is_prime(number)\n",
    "print(result)"
   ]
  }
 ],
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