import json


def is_jsonable(obj):
    """
    Checks if obj is JSONable (can be converted to JSON object).

    Parameters
    ----------
    obj : any
        The object/data-type we want to know if it is JSONable.

    Returns
    -----
    boolean
        True if obj is JSONable, or False if it is not.
    """

    try:
        json.dumps(obj)
        return True
    except TypeError:
        return False