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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 authenticate(self, name, password, mechanism="DEFAULT"):
 """ Send an authentication command for this database. mostly stolen from pymongo """

        if not isinstance(name, (bytes, unicode)):
            raise TypeError("TxMongo: name must be an instance of basestring.")
        if not isinstance(password, (bytes, unicode)):
            raise TypeError("TxMongo: password must be an instance of basestring.")

        """
        Authenticating
        """
        return self.connection.authenticate(self, name, password, mechanism)