QUIZZES/2. List - A Data Structure.ipynb

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    "1. Select the true statement.\n",
    "    - A Python list is a way to name a collection of values, instead of having to create separate variables for each element.\n",
    "2. In the video, Filip used type(fam) and type(fam2) to reveal the type of a Python list. What was the result?\n",
    "    - list\n",
    "3. Have a look at the different Python commands below. One of these commands is invalid Python syntax to create a list x. Can you tell which one?\n",
    "    - x = [\"this\", \"is\", \"a\" True \"list\"] <code>x = [\"this\", \"is\", \"a\" True \"list\"]</code> - correct\n",
    "4. Have a look at the following list definition: x = [\"you\", 2, \"are\", \"so\", True]. Which python data types does this list contain? There are three of them.\n",
    "    - int\n",
    "    - str\n",
    "    - bool\n",
    "5. Which pair of symbols do you need to do list subsetting in Python?\n",
    "    - Brackets: []\n",
    "6. What's the correct Python command to extract the element with index 1 from a Python list x?\n",
    "    - x[1]\n",
    "7. Suppose you have a list y, containing 5 elements:\n",
    "    - y[3]\n",
    "    - y[-2]\n",
    "8. List slicing is a very powerful technique to extract several list elements from a list at the same time. If you want to slice a list x, the general syntax is as follows: x[begin:end]. Here, begin and end have to be replaced with indexes according to the slice you want to make. Which of the following statements about slicing is correct?\n",
    "    - The begin index is included in the slice, the end index is not.\n",
    "9. Suppose you have a list x, that is defined as follows: x = [\"a\", \"b\", \"b\"]. To fix it, you want to change the second \"b\" - the third element - to \"c\". Which command do you need for this?\n",
    "    - x[2] = \"c\"\n",
    "10. Have another look at list x. This time, the second \"b\" is replaced by a \"c\". x = [\"a\", \"b\", \"c\"]. What line of Python code do you need to add \"d\" at the end of the list x?\n",
    "    - x = x + [\"d\"]\n",
    "11. Suppose you have a list x, this time defined as follows: x = [\"a\", \"b\", \"c\", \"d\"]. Next, you decide to remove an element from it, using del: del(x[3]). How does the list x look after this operation?\n",
    "    - [\"a\", \"b\", \"c\"]"
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