"id": 1,
    ...         "name": "Cole Volk",
    ...         "fitness": {"height": 130, "weight": 60},
    ...     },
    ...     {"name": "Mark Reg", "fitness": {"height": 130, "weight": 60}},
    ...     {
    ...         "id": 2,
    ...         "name": "Faye Raker",
    ...         "fitness": {"height": 130, "weight": 60},
    ...     },
    ... ]
    >>> pd.json_normalize(data, max_level=0)
        id        name                        fitness
    0  1.0   Cole Volk  {'height': 130, 'weight': 60}
    1  NaN    Mark Reg  {'height': 130, 'weight': 60}
    2  2.0  Faye Raker  {'height': 130, 'weight': 60}

    Normalizes nested data up to level 1.

    >>> data = [
    ...     {
    ...         "id": 1,
    ...         "name": "Cole Volk",
    ...         "fitness": {"height": 130, "weight": 60},
    ...     },
    ...     {"name": "Mark Reg", "fitness": {"height": 130, "weight": 60}},
    ...     {
    ...         "id": 2,
    ...         "name": "Faye Raker",
    ...         "fitness": {"height": 130, "weight": 60},
    ...     },
    ... ]
    >>> pd.json_normalize(data, max_level=1)
        id        name  fitness.height  fitness.weight
    0  1.0   Cole Volk             130              60
    1  NaN    Mark Reg             130              60
    2  2.0  Faye Raker             130              60

    >>> data = [
    ...     {
    ...         "state": "Florida",
    ...         "shortname": "FL",
    ...         "info": {"governor": "Rick Scott"},
    ...         "counties": [
    ...             {"name": "Dade", "population": 12345},
    ...             {"name": "Broward", "population": 40000},
    ...             {"name": "Palm Beach", "population": 60000},
    ...         ],
    ...     },
    ...     {
    ...         "state": "Ohio",
    ...         "shortname": "OH",
    ...         "info": {"governor": "John Kasich"},
    ...         "counties": [
    ...             {"name": "Summit", "population": 1234},
    ...             {"name": "Cuyahoga", "population": 1337},
    ...         ],
    ...     },
    ... ]
    >>> result = pd.json_normalize(
    ...     data, "counties", ["state", "shortname", ["info", "governor"]]
    ... )
    >>> result
             name  population    state shortname info.governor
    0        Dade       12345   Florida    FL    Rick Scott
    1     Broward       40000   Florida    FL    Rick Scott
    2  Palm Beach       60000   Florida    FL    Rick Scott
    3      Summit        1234   Ohio       OH    John Kasich
    4    Cuyahoga        1337   Ohio       OH    John Kasich

    >>> data = {"A": [1, 2]}
    >>> pd.json_normalize(data, "A", record_prefix="Prefix.")
        Prefix.0
    0          1
    1          2

    Returns normalized data with columns prefixed with the given string.
    FÚ