PA_21.ipynb

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  {
   "cell_type": "markdown",
   "id": "b287bad1",
   "metadata": {},
   "source": [
    "Question1\n",
    "Write a function that takes a list and a number as arguments. Add the number to the end of\n",
    "the list, then remove the first element of the list. The function should then return the updated\n",
    "list."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "e17d8e20",
   "metadata": {},
   "outputs": [],
   "source": [
    "def next_in_line(lst, num):\n",
    "    if not lst:\n",
    "        return \"No list has been selected\"\n",
    "    lst.pop(0)\n",
    "    lst.append(num)\n",
    "    return lst\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "956c59c0",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[6, 7, 8, 9, 1]"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "next_in_line([5, 6, 7, 8, 9], 1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "4d14cbfb",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[6, 3, 23, 17, 10]"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "next_in_line([7, 6, 3, 23, 17], 10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "d798f762",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[10, 20, 42, 6]"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "next_in_line([1, 10, 20, 42 ], 6)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "1cf10af7",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'No list has been selected'"
      ]
     },
     "execution_count": 34,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "next_in_line([], 6)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8198d320",
   "metadata": {},
   "source": [
    "question 3:\n",
    "Create the function that takes a list of dictionaries and returns the sum of people&#39;s budgets.\n",
    "Examples\n",
    "get_budgets([\n",
    "{ &quot;name&quot;: &quot;John&quot;, &quot;age&quot;: 21, &quot;budget&quot;: 23000 },\n",
    "{ &quot;name&quot;: &quot;Steve&quot;, &quot;age&quot;: 32, &quot;budget&quot;: 40000 },\n",
    "{ &quot;name&quot;: &quot;Martin&quot;, &quot;age&quot;: 16, &quot;budget&quot;: 2700 }\n",
    "]) ➞ 65700"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "id": "01ce8c74",
   "metadata": {},
   "outputs": [],
   "source": [
    "def get_budgets(lst):\n",
    "    return sum(d['budget'] for d in lst)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "id": "a074dbac",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "65700"
      ]
     },
     "execution_count": 44,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "get_budgets([ { \"name\": \"John\", \"age\": 21, \"budget\": 23000 }, { \"name\": \"Steve\", \"age\": 32, \"budget\": 40000 }, { \"name\": \"Martin\", \"age\": 16, \"budget\": 2700 } ])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "id": "c8b889ee",
   "metadata": {},
   "outputs": [],
   "source": [
    "l= [ { \"name\": \"John\", \"age\": 21, \"budget\": 23000 }, { \"name\": \"Steve\", \"age\": 32, \"budget\": 40000 }, { \"name\": \"Martin\", \"age\": 16, \"budget\": 2700 } ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 49,
   "id": "3ceeb6be",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "62600"
      ]
     },
     "execution_count": 49,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "get_budgets([ { \"name\": \"John\", \"age\": 21, \"budget\": 29000 }, { \"name\": \"Steve\", \"age\": 32, \"budget\": 32000 }, { \"name\": \"Martin\", \"age\": 16, \"budget\": 1600 } ])"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "fc6c555c",
   "metadata": {},
   "source": [
    "Question3\n",
    "Create a function that takes a string and returns a string with its letters in alphabetical order."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "id": "9f1e3455",
   "metadata": {},
   "outputs": [],
   "source": [
    "def alphabet_soup(string):\n",
    "    char_list = list(string)\n",
    "    sorted_char = sorted(char_list)\n",
    "    sorted_string = \"\".join(sorted_char)\n",
    "    return sorted_string"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "id": "f699e8a0",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'ehllo'"
      ]
     },
     "execution_count": 55,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "alphabet_soup(\"hello\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 57,
   "id": "1e0ac555",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'abdeit'"
      ]
     },
     "execution_count": 57,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "alphabet_soup('edabit')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 58,
   "id": "47257a25",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'acehkr'"
      ]
     },
     "execution_count": 58,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "alphabet_soup('hacker')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d490f6db",
   "metadata": {},
   "outputs": [],
   "source": [
    "A = P(1 + \\frac{r}{n})^{nt}"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9f1a86d7",
   "metadata": {},
   "source": [
    "question 4 :\n",
    "    Create a function that accepts the principal p, the term in years t, the interest rate r, and the\n",
    "number of compounding periods per year n. The function returns the value at the end of term\n",
    "rounded to the nearest cent."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 69,
   "id": "02116513",
   "metadata": {},
   "outputs": [],
   "source": [
    "import math\n",
    "def compound_interest(p, t, r, n):\n",
    "    A = p*(1 + r/n)**(n*t)\n",
    "    return round(A, 2)\n",
    "    \n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 70,
   "id": "0e456d0c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "105.0"
      ]
     },
     "execution_count": 70,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "compound_interest(100, 1, 0.05, 1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 71,
   "id": "36cb8283",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "15399.26"
      ]
     },
     "execution_count": 71,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "compound_interest(3500, 15, 0.1, 4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 72,
   "id": "db93483d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2007316.26"
      ]
     },
     "execution_count": 72,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "compound_interest(100000, 20, 0.15, 365)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "603f5185",
   "metadata": {},
   "source": [
    "Question5\n",
    "Write a function that takes a list of elements and returns only the integers."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 73,
   "id": "7e01df90",
   "metadata": {},
   "outputs": [],
   "source": [
    "def return_only_integers(lst):\n",
    "    l=[]\n",
    "    for i in lst:\n",
    "        if type(i)==int:\n",
    "            l.append(i)\n",
    "    return l"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 75,
   "id": "4bfa8bab",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[9, 2, 16]"
      ]
     },
     "execution_count": 75,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "return_only_integers([9,2, 'space','car','lion',16])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 76,
   "id": "989157ad",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[81, 123]"
      ]
     },
     "execution_count": 76,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "return_only_integers([\"hello\", 81, \"basketball\", 123, \"fox\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 78,
   "id": "00a4205d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1]"
      ]
     },
     "execution_count": 78,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "return_only_integers([\"String\", True, 3.3, 1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "7e863e77",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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