programming_assingment_advance_11.ipynb

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  {
   "cell_type": "markdown",
   "id": "de20ff23",
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   "source": [
    "#Question : 01\n",
    "\n",
    "Create a function that takes a list and returns a new list containing only\n",
    "prime numbers.\n",
    "\n",
    "Examples\n",
    "\n",
    "filter_primes([7, 9, 3, 9, 10, 11, 27]) ➞ [7, 3, 11]\n",
    "\n",
    "filter_primes([10007, 1009, 1007, 27, 147, 77, 1001, 70]) ➞ [10007, 1009]\n",
    "\n",
    "filter_primes([1009, 10, 10, 10, 3, 33, 9, 4, 1, 61, 63, 69, 1087, 1091, 1093,\n",
    "1097]) ➞ [1009, 3, 61, 1087, 1091, 1093, 1097]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "ab25bd93",
   "metadata": {},
   "outputs": [],
   "source": [
    "#code\n",
    "import sympy\n",
    "def filter_primes(values):\n",
    "    Ans = []\n",
    "    for i in values:\n",
    "        if sympy.isprime(i):\n",
    "            Ans.append(i)\n",
    "    return Ans"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "dd93f21d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[7, 3, 11]"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "filter_primes([7, 9, 3, 9, 10, 11, 27])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "51140164",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[10007, 1009]"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "filter_primes([10007, 1009, 1007, 27, 147, 77, 1001, 70])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "9079897b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1009, 3, 61, 1087, 1091, 1093, 1097]"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "filter_primes([1009, 10, 10, 10, 3, 33, 9, 4, 1, 61, 63, 69, 1087, 1091, 1093, 1097])"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "782a1dd6",
   "metadata": {},
   "source": [
    "#Question : 02\n",
    "\n",
    "Once a water balloon pops, is soaks the area around it. The ground gets\n",
    "drier the further away you travel from the balloon.\n",
    "The effect of a water balloon popping can be modeled using a list. Create a\n",
    "function that takes a list which takes the pre-pop state and returns the state\n",
    "after the balloon is popped. The pre-pop state will contain at most a single\n",
    "balloon, whose size is represented by the only non-zero element.\n",
    "\n",
    "Examples\n",
    "\n",
    "pop([0, 0, 0, 0, 4, 0, 0, 0, 0]) ➞ [0, 1, 2, 3, 4, 3, 2, 1, 0]\n",
    "\n",
    "pop([0, 0, 0, 3, 0, 0, 0]) ➞ [0, 1, 2, 3, 2, 1, 0]\n",
    "\n",
    "pop([0, 0, 2, 0, 0]) ➞ [0, 1, 2, 1, 0]\n",
    "\n",
    "pop([0]) ➞ [0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "ddd80b79",
   "metadata": {},
   "outputs": [],
   "source": [
    "def pop(values):\n",
    "    index = 0\n",
    "    for i in values:\n",
    "        if i>0:\n",
    "            index = values.index(i)\n",
    "    if (values[index]!=0):\n",
    "        modi = values[index]\n",
    "        count=1\n",
    "        while modi>0:\n",
    "            values[index-count] = values[index] - count\n",
    "            values[index+count] = values[index] - count\n",
    "            modi-=1\n",
    "            count+=1\n",
    "    return values\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "1dfd5fcc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[0, 1, 2, 3, 4, 3, 2, 1, 0]"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pop([0, 0, 0, 0, 4, 0, 0, 0, 0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "6fa71e24",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[0, 1, 2, 3, 2, 1, 0]"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pop([0, 0, 0, 3, 0, 0, 0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "1287a532",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[0, 1, 2, 1, 0]"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pop([0, 0, 2, 0, 0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "6cd1755c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[0]"
      ]
     },
     "execution_count": 34,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pop([0])"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a793c17d",
   "metadata": {},
   "source": [
    "#Question : 03\n",
    "\n",
    "\"Loves me, loves me not\" is a traditional game in which a person plucks off\n",
    "all the petals of a flower one by one, saying the phrase \"Loves me\" and\n",
    "\"Loves me not\" when determining whether the one that they love, loves them\n",
    "back.\n",
    "\n",
    "Given a number of petals, return a string which repeats the phrases \"Loves\n",
    "me\" and \"Loves me not\" for every alternating petal, and return the last phrase in all caps. Remember to put a comma and space between phrases.\n",
    "\n",
    "Examples\n",
    "\n",
    "loves_me(3) ➞ \"Loves me, Loves me not, LOVES ME\"\n",
    "\n",
    "loves_me(6) ➞ \"Loves me, Loves me not, Loves me, Loves me not, Loves\n",
    "me, LOVES ME NOT\"\n",
    "\n",
    "loves_me(1) ➞ \"LOVES ME\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "id": "0fe6e062",
   "metadata": {},
   "outputs": [],
   "source": [
    "#code\n",
    "def loves_me(value):\n",
    "    Ans = \"\"\n",
    "    for i in range(value):\n",
    "        if i==value-1:\n",
    "            if i%2==0:\n",
    "                Ans += \"LOVES ME\"\n",
    "            else:\n",
    "                Ans += \"LOVES ME NOT\"\n",
    "        elif i%2!=0:\n",
    "            Ans+=\"Loves me not, \"\n",
    "        else:\n",
    "            Ans += \"Loves me, \"\n",
    "    return Ans"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "id": "c2c8a1d7",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Loves me, Loves me not, LOVES ME'"
      ]
     },
     "execution_count": 41,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "loves_me(3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "id": "945cfab3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Loves me, Loves me not, Loves me, Loves me not, Loves me, LOVES ME NOT'"
      ]
     },
     "execution_count": 42,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "loves_me(6)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "id": "a747233d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'LOVES ME'"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "loves_me(1)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "67e54f5a",
   "metadata": {},
   "source": [
    "#Question : 04\n",
    "\n",
    "Write a function that sorts each string in a list by the letter in alphabetic\n",
    "ascending order (a-z).\n",
    "\n",
    "Examples\n",
    "\n",
    "sort_by_letter([\"932c\", \"832u32\", \"2344b\"])\n",
    "➞ [\"2344b\", \"932c\", \"832u32\"]\n",
    "\n",
    "sort_by_letter([\"99a\", \"78b\", \"c2345\", \"11d\"])\n",
    "➞ [\"99a\", \"78b\", \"c2345\", \"11d\"]\n",
    "\n",
    "sort_by_letter([\"572z\", \"5y5\", \"304q2\"])\n",
    "➞ [\"304q2\", \"5y5\", \"572z\"]\n",
    "\n",
    "sort_by_letter([])\n",
    "➞ []"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "id": "ba863050",
   "metadata": {},
   "outputs": [],
   "source": [
    "def sort_by_letter(values):\n",
    "    Ans = []\n",
    "    Final = []\n",
    "    for i in values:\n",
    "        for j in i:\n",
    "            if not j.isdigit():\n",
    "                Ans.append(j)\n",
    "    Ans.sort()\n",
    "    for i in Ans:\n",
    "        for j in values:\n",
    "            if i in j:\n",
    "                Final.append(j)\n",
    "    return Final"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 51,
   "id": "3b032938",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['2344b', '932c', '832u32']"
      ]
     },
     "execution_count": 51,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sort_by_letter([\"932c\", \"832u32\", \"2344b\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 52,
   "id": "af1d0145",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['99a', '78b', 'c2345', '11d']"
      ]
     },
     "execution_count": 52,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sort_by_letter([\"99a\", \"78b\", \"c2345\", \"11d\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "id": "4586aa78",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['304q2', '5y5', '572z']"
      ]
     },
     "execution_count": 54,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sort_by_letter([\"572z\", \"5y5\", \"304q2\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "id": "ca361402",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "execution_count": 55,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sort_by_letter([])"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "69c65a49",
   "metadata": {},
   "source": [
    "#Question : 05\n",
    "\n",
    "There are three cups on a table, at positions A, B, and C. At the start, there\n",
    "is a ball hidden under the cup at position B.\n",
    "\n",
    "However, I perform several swaps on the cups, which is notated as two\n",
    "letters. For example, if I swap the cups at positions A and B, I could notate\n",
    "this as AB or BA.\n",
    "\n",
    "Create a function that returns the letter position that the ball is at, once I finish\n",
    "swapping the cups. The swaps will be given to you as a list.\n",
    "\n",
    "Example\n",
    "\n",
    "cup_swapping([\"AB\", \"CA\", \"AB\"]) ➞ \"C\"\n",
    "\n",
    "* Ball begins at position B.\n",
    "\n",
    "* Cups A and B swap, so the ball is at position A.\n",
    "\n",
    "* Cups C and A swap, so the ball is at position C.\n",
    "\n",
    "* Cups A and B swap, but the ball is at position C, so it doesn't move."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "id": "ea7143a8",
   "metadata": {},
   "outputs": [],
   "source": [
    "#code\n",
    "def cup_swapping(l):\n",
    "    for i in l:\n",
    "        if \"B\" in i:\n",
    "            ball= i.replace('B', '')\n",
    "            y=+1\n",
    "            break\n",
    "    for j in range(y,len(l)):\n",
    "        if ball in l[j]:\n",
    "            ball = l[j].replace(ball,'')\n",
    "    return ball\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "id": "a1f2abde",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'C'"
      ]
     },
     "execution_count": 64,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "cup_swapping([\"AB\", \"CA\", \"AB\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5b51e80e",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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