intro-to-python/07_sequences_01_review.ipynb

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   "source": [
    "# Chapter 7: Sequential Data"
   ]
  },
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   "source": [
    "## Content Review"
   ]
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   "cell_type": "markdown",
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   "source": [
    "The questions below assume that you have read [Chapter 7 <img height=\"12\" style=\"display: inline-block\" src=\"static/link_to_nb.png\">](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/master/07_sequences_00_content.ipynb) in the book.\n",
    "\n",
    "Be concise in your answers! Most questions can be answered in *one* sentence."
   ]
  },
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   "metadata": {},
   "source": [
    "### Essay Questions "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Answer the following questions *briefly*!"
   ]
  },
  {
   "cell_type": "markdown",
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   "source": [
    "**Q1**: We have seen **containers** and **iterables** before in [Chapter 4 <img height=\"12\" style=\"display: inline-block\" src=\"static/link_to_nb.png\">](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/master/04_iteration_00_content.ipynb#Containers-vs.-Iterables). How do they relate to **sequences**? "
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   "cell_type": "markdown",
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   "source": [
    " < your answer >"
   ]
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   "source": [
    "**Q2**: What are **abstract base classes**? How can we make use of the ones from the [collections.abc <img height=\"12\" style=\"display: inline-block\" src=\"static/link_to_py.png\">](https://docs.python.org/3/library/collections.abc.html) module in the [standard library <img height=\"12\" style=\"display: inline-block\" src=\"static/link_to_py.png\">](https://docs.python.org/3/library/index.html)?"
   ]
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   "cell_type": "markdown",
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   "source": [
    " < your answer >"
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   "source": [
    "**Q3**: How are the *abstract behaviors* of **reversibility** and **finiteness** essential for *indexing* and *slicing* sequences?"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Q4**: Explain the difference between **mutable** and **immutable** objects in Python with the examples of the `list` and `tuple` types!"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Q5**: What is the difference between a **shallow** and a **deep** copy of an object? How can one of them become a \"problem?\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Q6**: Many **list methods** change `list` objects \"**in place**.\" What do we mean by that?"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Q7.1**: `tuple` objects have *two* primary usages. First, they can be used in place of `list` objects where **mutability** is *not* required. Second, we use them to model data **records**.\n",
    "\n",
    "Describe why `tuple` objects are a suitable replacement for `list` objects in general!"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Q7.2**: What do we mean by a **record**? How are `tuple` objects suitable to model records? How can we integrate a **semantic meaning** when working with records into our code?"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Q8**: How is (iterable) **packing** and **unpacking** useful in the context of **function definitions** and **calls**?"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### True / False Questions"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Motivate your answer with *one short* sentence!"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Q9**: `sequence` objects are *not* part of core Python but may be imported from the [standard library <img height=\"12\" style=\"display: inline-block\" src=\"static/link_to_py.png\">](https://docs.python.org/3/library/index.html)."
   ]
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
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   "source": [
    "**Q10**: The built-in [sort() <img height=\"12\" style=\"display: inline-block\" src=\"static/link_to_py.png\">](https://docs.python.org/3/library/stdtypes.html#list.sort) function takes a *finite* **iterable** as its argument an returns a *new* `list` object. On the contrary, the [sorted() <img height=\"12\" style=\"display: inline-block\" src=\"static/link_to_py.png\">](https://docs.python.org/3/library/functions.html#sorted) method on `list` objects *mutates* them *in place*."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Q11**: Passing **mutable** objects as arguments to functions is not problematic because functions operate in a **local** scope without affecting the **global** scope."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    " < your answer >"
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