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    "### Lab 10 - Sampling distributions, Part 1\n",
    "\n",
    "For this lab, we will use a list of the top 1000 movies on [IMDb](https://www.imdb.com) compiled by [Kevin Markham](https://www.dataschool.io/about/) several years ago.   \n",
    "\n",
    "The data CSV file is on GitHub here:  [imdb_1000.csv](https://github.com/justmarkham/DAT8/blob/master/data/imdb_1000.csv)  To download, right click on Raw and save the CSV file.\n",
    "\n",
    "### Iteration\n",
    "First we will look at iteration, which is a way to repeat a section of code multiple time without retyping it.  Try running the code below.  What does it do?"
   ]
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  {
   "cell_type": "code",
   "execution_count": 1,
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   "outputs": [
    {
     "name": "stdout",
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     "text": [
      "Hello!\n",
      "Hello!\n",
      "Hello!\n",
      "Hello!\n",
      "Hello!\n",
      "Hello!\n",
      "Hello!\n",
      "Hello!\n",
      "Hello!\n",
      "Hello!\n"
     ]
    }
   ],
   "source": [
    "for i in range(10):\n",
    "    print(\"Hello!\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "This code is repeated below.  Can you modify it to print `Good-bye!` 5 times?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "for i in range(10):\n",
    "    print(\"Hello!\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "What do you think the following code does?  Make a guess and then run it."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Lehman\n",
      "College\n",
      "Lehman\n",
      "College\n",
      "Lehman\n",
      "College\n",
      "Lehman\n",
      "College\n"
     ]
    }
   ],
   "source": [
    "for i in range(4):\n",
    "    print(\"Lehman\")\n",
    "    print(\"College\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "What do you think the following code does?  Make a guess and then run it."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Starting...\n",
      "In the loop\n",
      "In the loop\n",
      "In the loop\n",
      "Ending...\n"
     ]
    }
   ],
   "source": [
    "print(\"Starting...\")\n",
    "for i in range(3):\n",
    "    print(\"In the loop\")\n",
    "print(\"Ending...\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Only the code that is indented is repeated.  Another name for iteration is a *loop*.\n",
    "\n",
    "Can you write code that uses a loop to display the following?\n",
    "\n",
    "`This is my\n",
    "loop\n",
    "loop\n",
    "loop\n",
    "loop\n",
    "loop\n",
    "!`"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Can you write code that uses a loop to display the following?\n",
    "\n",
    "`This is a\n",
    "fancier\n",
    "loop\n",
    "fancier\n",
    "loop\n",
    "fancier\n",
    "loop\n",
    "isn't\n",
    "it?`"
   ]
  }
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