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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 properties(self):
 """ Defines a Java property to define this anntoator to CoreNLP. """

        return {
            "customAnnotatorClass.{}".format(self.name): "edu.stanford.nlp.pipeline.GenericWebServiceAnnotator",
            "generic.endpoint": "http://{}:{}".format(self.host, self.port),
            "generic.requires": ",".join(self.requires),
            "generic.provides": ",".join(self.provides),
            }