template/book/exercises/example-quiz.json

[
    {
        "question": "Choose all of the following that can be included in Jupyter notebooks?",
        "type": "many_choice",
        "answers": [
            {
                "answer": "Text and graphics output from Python",
                "correct": true,
                "feedback": "Correct."
            },
            {
                "answer": "Typeset mathematics",
                "correct": true,
                "feedback": "Correct."
            },
            {
                "answer": "Python executable code",
                "correct": true,
                "feedback": "Correct."
            },
            {
                "answer": "Formatted text",
                "correct": true,
                "feedback": "Correct."
            },
            {
                "answer": "Live snakes via Python",
                "correct": false,
                "feedback": "I hope not."
            }
        ]
    },
    {
        "question": "Which of these are used to create formatted text in Jupyter notebooks?",
        "type": "multiple_choice",
        "answers": [
            {
                "answer": "Wiki markup",
                "correct": false,
                "feedback": "False."
            },
            {
                "answer": "SVG",
                "correct": false,
                "feedback": "False."
            },
            {
                "answer": "Markdown",
                "correct": true,
                "feedback": "Correct."
            },
            {
                "answer": "Rich Text",
                "correct": false,
                "feedback": "False."
            }
        ]
    },
    {
        "question": "Enter the value of $\\pi$ to 2 decimal places.",
        "type": "numeric",
        "answers": [
            {
                "type": "value",
                "value": 3.14,
                "correct": true,
                "feedback": "Correct."
            },
            {
                "type": "range",
                "range": [
                    3.142857,
                    3.142858
                ],
                "correct": true,
                "feedback": "True to 2 decimal places, but you know $\\pi$ is not really 22/7, right?"
            },
            {
                "type": "range",
                "range": [
                    -100000000,
                    0
                ],
                "correct": false,
                "feedback": "$\\pi$ is the AREA of a circle of radius 1. Try again."
            },
            {
                "type": "default",
                "feedback": "$\\pi$ is the area of a circle of radius 1. Try again."
            }
        ]
    },
    {
        "question": "Enter the value of $\\pi$ to 2 decimal places.",
        "type": "numeric",
        "precision": 2,
        "answers": [
            {
                "type": "value",
                "value": 3.14,
                "correct": true,
                "feedback": "Correct."
            },
            {
                "type": "range",
                "range": [
                    3.142857,
                    3.142858
                ],
                "correct": true,
                "feedback": "True to 2 decimal places, but you know $\\pi$ is not really 22/7, right?"
            },
            {
                "type": "range",
                "range": [
                    -100000000,
                    0
                ],
                "correct": false,
                "feedback": "$\\pi$ is the AREA of a circle of radius 1. Try again."
            },
            {
                "type": "default",
                "feedback": "$\\pi$ is the area of a circle of radius 1. Try again."
            }
        ]
    },
    {
        "question": "Determine the output of the following Python code:",
        "code": "a=\"1\"\nb=\"2\"\nprint(a+b)",
        "type": "multiple_choice",
        "answers": [
            {
                "answer": "1",
                "correct": false,
                "feedback": "No. When strings are operated on by +, they are concatenated."
            },
            {
                "answer": "2",
                "correct": false,
                "feedback": "No. When strings are operated on by +, they are concatenated."
            },
            {
                "answer": "3",
                "correct": false,
                "feedback": "No. When strings are operated on by +, they are concatenated."
            },
            {
                "answer": "12",
                "correct": true,
                "feedback": "Yes. The + operator will concatenate the strings \"1\" and \"2\"."
            },
            {
                "answer": "error",
                "correct": false,
                "feedback": "No. The + operator for strings performs string concatenation."
            }
        ]
    },
    {
        "question": "The variable mylist is a Python list. Choose which code snippet will append the item 3 to mylist.",
        "type": "multiple_choice",
        "answers": [
            {
                "code": "mylist+=3",
                "correct": false
            },
            {
                "code": "mylist+=[3]",
                "correct": true
            },
            {
                "code": "mylist+={3}",
                "correct": false
            }
        ]
    },
    {
        "question": "Which of these is the ratio of a circle's circumference to its diameter?",
        "type": "multiple_choice",
        "answers": [
            {
                "answer": "$\\pi$",
                "correct": true,
                "feedback": "Correct."
            },
            {
                "answer": "$\\frac{22}{7}$",
                "correct": false,
                "feedback": "$\\frac{22}{7}$ is only an approximation to the true value."
            },
            {
                "answer": "3",
                "correct": false,
                "feedback": "This is a crude approximation to the true value."
            },
            {
                "answer": "$\\tau$",
                "correct": false,
                "feedback": "True for the ratio of the circle's circumference to its radius, not diameter."
            }
        ]
    }
]