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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 execute(self, processProtocol, command, env={}, path=None, uid=None, gid=None, usePTY=0, childFDs=None):
 """Execute a process on the remote machine using SSH @param processProtocol: the ProcessProtocol instance to connect @param executable: the executable program to run @param args: the arguments to pass to the process @param env: environment variables to request the remote ssh server to set @param path: the remote path to start the remote process on @param uid: user id or username to connect to the ssh server with @param gid: this is not used for remote ssh processes @param usePTY: wither to request a pty for the process @param childFDs: file descriptors to use for stdin, stdout and stderr """


        sshCommand = (command if isinstance(command, SSHCommand)
                      else SSHCommand(command, self.precursor, path))
        commandLine = sshCommand.getCommandLine()

        # Get connection to ssh server
        connectionDeferred = self.getConnection(uid)
        # spawn the remote process
        connectionDeferred.addCallback(connectProcess, processProtocol,
                                       commandLine, env, usePTY, childFDs)
        return connectionDeferred