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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 create(cls, session, attributes=None, relationships=None):
 """Create a resource of the resource. This should only be called from sub-classes Args: session(Session):
 The session to create the resource in. attributes(dict):
 Any attributes that are valid for the given resource type. relationships(dict):
 Any relationships that are valid for the given resource type. Returns: Resource: An instance of a resource. """

        resource_type = cls._resource_type()
        resource_path = cls._resource_path()
        url = session._build_url(resource_path)
        json = build_request_body(resource_type, None,
                                  attributes=attributes,
                                  relationships=relationships)
        process = cls._mk_one(session)
        return session.post(url, CB.json(201, process), json=json)