day2Quiz-answers.ipynb

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  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Day 2 Quiz"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The quiz is designed to test how well you're learning to put code together more than just if you remember the right operators and functions, so don't be ashamed to look things up in the lecture notebook."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "1. Create a list of the following numbers: 35, 28, 48, 21, 61, and 39. Find the mean of these numbers. Print the mean as part of a complete sentence."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import statistics"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "numbers = [35, 28, 48, 21, 61, 39]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "mean_num = statistics.mean(numbers)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The mean is 38.666666666666664.\n"
     ]
    }
   ],
   "source": [
    "print(\"The mean is \" + str(mean_num) + \".\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "2. Join the following list together into a string. Use a space to separate the items in the list."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "song = [\"Come\", \"gather\", \"'round\", \"people\", \"Wherever\", \"you\", \"roam\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"Come gather 'round people Wherever you roam\""
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\" \".join(song)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "3. Store the list below. Write a for loop to print out the first letter of each item in the list."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "months = [\"January\", \"February\", \"March\", \"April\", \n",
    "          \"May\", \"June\", \"July\", \"August\", \"September\", \n",
    "          \"October\", \"November\", \"December\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "J\n",
      "F\n",
      "M\n",
      "A\n",
      "M\n",
      "J\n",
      "J\n",
      "A\n",
      "S\n",
      "O\n",
      "N\n",
      "D\n"
     ]
    }
   ],
   "source": [
    "for m in months:\n",
    "    print(m[0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "4. Store the list below. Under the empty lists (but in the same cell), write a for loop to loop through the list `times`. Write an if/elif/else statement to sort the items and append the terms onto the correct lists (`days`, `months`, and `numbers`). *Hint: there are several ways to do this. Here are some ideas that might help: `type()`, `in`, `not in`, `len()`.*"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "times = [\"Tuesday\", \"June\", 8, \"July\", \"Wednesday\", 10, \"Thursday\", 12, \"April\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "days = []\n",
    "months = []\n",
    "numbers = []\n",
    "for t in times:\n",
    "    if type(t) == int:\n",
    "        numbers.append(t)\n",
    "    elif \"day\" in t:\n",
    "        days.append(t)\n",
    "    else:\n",
    "        months.append(t)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "OR"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [],
   "source": [
    "days = []\n",
    "months = []\n",
    "numbers = []\n",
    "for t in times:\n",
    "    try:\n",
    "        if len(t) <= 5:\n",
    "            months.append(t)\n",
    "        elif len(t) > 5:\n",
    "            days.append(t)\n",
    "    except TypeError:\n",
    "        numbers.append(t)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['Tuesday', 'Wednesday', 'Thursday']\n",
      "['June', 'July', 'April']\n",
      "[8, 10, 12]\n"
     ]
    }
   ],
   "source": [
    "print(days)\n",
    "print(months)\n",
    "print(numbers)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "OR any other way that works!"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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