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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 from_url(cls, url, **kwargs):
 """Create a client from a url."""

        url = urllib3.util.parse_url(url)
        if url.host:
            kwargs.setdefault('host', url.host)

        if url.port:
            kwargs.setdefault('port', url.port)

        if url.scheme == 'https':
            kwargs.setdefault('connection_class', urllib3.HTTPSConnectionPool)

        return cls(**kwargs)