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   "source": [
    "# Ch07 Preview Questions\n",
    "\n",
    "Answer these questions before class to prime yourself for the chapter content."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b2c3d4e5",
   "metadata": {},
   "source": [
    "## 1. List vs. Dictionary\n",
    "\n",
    "You have a collection of student names and their exam scores. Which data structure would you use — a list or a dictionary — and why?"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c3d4e5f6",
   "metadata": {},
   "source": [
    "*Your answer here.*"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "d4e5f6a7",
   "metadata": {},
   "source": [
    "## 2. Keys and Values\n",
    "\n",
    "In a Python dictionary, what are the constraints on keys? What about values?"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e5f6a7b8",
   "metadata": {},
   "source": [
    "*Your answer here.*"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f6a7b8c9",
   "metadata": {},
   "source": [
    "## 3. Records and Lookup\n",
    "\n",
    "A student record has a name, major, and GPA. What would make a dictionary more useful than a list for this data?"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a7b8c9d0",
   "metadata": {},
   "source": [
    "*Your answer here.*"
   ]
  }
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