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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 connect_engine(self):
 """ Establish a connection to the database. Provides simple error handling for fatal errors. Returns: True, if we could establish a connection, else False. """

        try:
            self.connection = self.engine.connect()
            return True
        except sa.exc.OperationalError as opex:
            LOG.fatal("Could not connect to the database. The error was: '%s'",
                      str(opex))
        return False