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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 places_radar(client, location, radius, keyword=None, min_price=None, max_price=None, name=None, open_now=False, type=None):
 """ Performs radar search for places. :param location: The latitude/longitude value for which you wish to obtain the closest, human-readable address. :type location: string, dict, list, or tuple :param radius: Distance in meters within which to bias results. :type radius: int :param keyword: A term to be matched against all content that Google has indexed for this place. :type keyword: string :param min_price: Restricts results to only those places with no less than this price level. Valid values are in the range from 0 (most affordable) to 4 (most expensive). :type min_price: int :param max_price: Restricts results to only those places with no greater than this price level. Valid values are in the range from 0 (most affordable) to 4 (most expensive). :type max_price: int :param name: One or more terms to be matched against the names of places. :type name: string or list of strings :param open_now: Return only those places that are open for business at the time the query is sent. :type open_now: bool :param type: Restricts the results to places matching the specified type. The full list of supported types is available here: https://developers.google.com/places/supported_types :type type: string :rtype: result dict with the following keys: status: status code results: list of places html_attributions: set of attributions which must be displayed """

    if not (keyword or name or type):
        raise ValueError("either a keyword, name, or type arg is required")

    from warnings import warn
    warn("places_radar is deprecated, see http://goo.gl/BGiumE",
         DeprecationWarning)

    return _places(client, "radar", location=location, radius=radius,
                   keyword=keyword, min_price=min_price, max_price=max_price,
                   name=name, open_now=open_now, type=type)