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              Returns a display
             that serves as the connection to the X server and contains all 
            the information about that X server.
                host
              
                Specifies the name of the host machine on which the 
                server executes. A string must be acceptable as a host
                , but otherwise the possible types are not constrained and 
                will likely be very system dependent.
              
                :display
              
                An integer that specifies which display device on the host
                 should be used for this connection. This is needed since 
                multiple displays can be controlled by a single X server. The 
                default is display 0 (zero).
              
                :protocol
              
                A keyword argument that specifies which network protocol 
                should be used for connecting to the server (for example, 
                :tcp, :dna, or :chaos). The set of possible 
                values and the default value are implementation specific.
             
              
                display
              
                Type display.
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