code: def connect(cls, host, public_key, private_key, verbose=0, use_cache=True):
          
          return cls(host, public_key, private_key, verbose, use_cache)
docs: Connect the client with the given host and the provided credentials.
  
          Parameters
          ----------
          host : str
              The Cytomine host (without protocol).
          public_key : str
              The Cytomine public key.
          private_key : str
              The Cytomine private key.
          verbose : int
              The verbosity level of the client.
          use_cache : bool
              True to use HTTP cache, False otherwise.
  
          Returns
          -------
          client : Cytomine
              A connected Cytomine client.