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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 is_form_media_type(media_type):
 """ Return True if the media type is a valid form media type. """

    base_media_type, params = parse_header(media_type.encode(HTTP_HEADER_ENCODING))
    return (base_media_type == 'application/x-www-form-urlencoded' or
            base_media_type == 'multipart/form-data')