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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 host(self, value):
 """ A string that will be automatically included at the beginning of the url generated for doing each http request. :param value: The host to be connected with, e.g. (http://hostname) or (https://X.X.X.X:port) """

        scheme, host, port = get_hostname_parameters_from_url(value)
        self._host = "%s://%s:%s" % (scheme, host, port)