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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 LogoutSessionId(self):

 """
 Logout the current session_id from CommonSense
 
 @return (bool) - Boolean indicating whether LogoutSessionId was successful
 """

        if self.__SenseApiCall__('/logout.json', 'POST'):
            self.__setAuthenticationMethod__('not_authenticated')
            return True
        else:
            self.__error__ = "api call unsuccessful"
            return False