02-variables.ipynb

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   "source": [
    "#### Before you start working on these exercises, make sure you've watched the videos, done the reading, and taken the quiz!\n",
    "\n",
    "General Resources:\n",
    "* [Main PY4E Website](https://www.py4e.com)\n",
    "* [Full Textbook PDF](http://do1.dr-chuck.com/pythonlearn/EN_us/pythonlearn.pdf)\n",
    "* [Full Youtube Playlist](https://www.youtube.com/playlist?list=PLlRFEj9H3Oj7Bp8-DfGpfAfDBiblRfl5p)\n",
    "\n",
    "Lesson 2 Resources:\n",
    "* [Lesson Page](https://www.py4e.com/lessons/memory)\n",
    "* [Video 2.1](https://www.youtube.com/watch?v=7KHdV6FSpo8&list=PLlRFEj9H3Oj7Bp8-DfGpfAfDBiblRfl5p&index=11)\n",
    "* [Video 2.2](https://www.youtube.com/watch?v=kefrGMAglGs&list=PLlRFEj9H3Oj7Bp8-DfGpfAfDBiblRfl5p&index=12)\n",
    "* [Lesson Slides](https://www.py4e.com/lectures3/Pythonlearn-02-Expressions.pptx)\n",
    "* [Textbook Chapter 2](https://www.py4e.com/html3/02-variables)\n",
    "* [Link to Quiz (must be logged in)](https://www.py4e.com/lessons_launch/py4e_02_ex_quiz)\n",
    "* If you're feeling stuck on exercises 2.2 and 2.3, worked solutions are available on the lesson page and Youtube"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Make sure to run this cell to load the autograder!\n",
    "from grader import check_exercise"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Exercise 1: Run the following statmements to see what they do:**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "x = 5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "x + 1"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Exercise 2: Write a program that uses `input` to prompt a user for\n",
    "their name and then welcomes them.**\n",
    "\n",
    "~~~~\n",
    "Enter your name: Chuck\n",
    "Hello Chuck\n",
    "~~~~"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "exercise = 'Exercise 2.2'\n",
    "\n",
    "### Start Code Here ###\n",
    "\n",
    "###  End Code Here  ###"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "# Make sure to save your notebook before checking!\n",
    "check_exercise('Exercise 2.2')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Exercise 3: Write a program to prompt the user for hours and rate per\n",
    "hour to compute gross pay.**\n",
    "\n",
    "~~~~\n",
    "Enter Hours: 35\n",
    "Enter Rate: 2.75\n",
    "Pay: 96.25\n",
    "~~~~\n",
    "\n",
    "We won't worry about making sure our pay has exactly two digits after\n",
    "the decimal place for now. If you want, you can play with the built-in\n",
    "Python `round` function to properly round the resulting pay\n",
    "to two decimal places."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "exercise = 'Exercise 2.3'\n",
    "\n",
    "### Start Code Here ###\n",
    "\n",
    "###  End Code Here  ###"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "# Make sure to save your notebook before checking!\n",
    "check_exercise('Exercise 2.3')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Exercise 4: Assume that we execute the following assignment statements:**\n",
    "\n",
    "~~~~\n",
    "width = 17\n",
    "height = 12.0\n",
    "~~~~\n",
    "\n",
    "For each of the following expressions, write the value of the expression\n",
    "and the type (of the value of the expression).\n",
    "\n",
    "1.  `width//2`\n",
    "\n",
    "2.  `width/2.0`\n",
    "\n",
    "3.  `height/3`\n",
    "\n",
    "4.  `1 + 2 * 5`\n",
    "\n",
    "Use the Python interpreter to check your answers."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Use this cell to check your answers. For example:\n",
    "width = 17\n",
    "height = 12.0\n",
    "\n",
    "type(width//2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "exercise = 'Exercise 2.4'\n",
    "\n",
    "### Start Code Here ###\n",
    "value_1 = 8\n",
    "type_1 = int\n",
    "\n",
    "value_2 = \n",
    "type_2 = \n",
    "\n",
    "value_3 = \n",
    "type_3 = \n",
    "\n",
    "value_4 = \n",
    "type_4 = \n",
    "###  End Code Here  ###\n",
    "\n",
    "print(value_1, type_1, value_2, type_2, value_3, type_3, value_4, type_4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "# Make sure to save your notebook before checking!\n",
    "check_exercise('Exercise 2.4')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Exercise 5: Write a program which prompts the user for a Celsius\n",
    "temperature, convert the temperature to Fahrenheit, and print out the\n",
    "converted temperature. (The formula is to find Fahrenheit is C\\*1.8+32)**\n",
    "\n",
    "~~~~\n",
    "Enter Celsius: 0\n",
    "Fahrenheit: 32.0\n",
    "~~~~\n",
    "\n",
    "~~~~\n",
    "Enter Celsius: 54.9\n",
    "Fahrenheit: 130.82\n",
    "~~~~\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "exercise = 'Exercise 2.5'\n",
    "\n",
    "### Start Code Here ###\n",
    "\n",
    "###  End Code Here  ###"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Make sure to save your notebook before checking!\n",
    "check_exercise('Exercise 2.5')"
   ]
  }
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