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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def from_json(value, native_datetimes=True):
 """ Deserializes the given value from JSON. :param value: the value to deserialize :type value: str :param native_datetimes: whether or not strings that look like dates/times should be automatically cast to the native objects, or left as strings; if not specified, defaults to ``True`` :type native_datetimes: bool """


    hook = BasicJsonDecoder(native_datetimes=native_datetimes)
    result = json.loads(value, object_hook=hook)
    if native_datetimes and isinstance(result, string_types):
        return get_date_or_string(result)
    return result