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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 verify(self, assoc_handle, message):
 """Verify that the signature for some data is valid. @param assoc_handle: The handle of the association used to sign the data. @type assoc_handle: str @param message: The signed message to verify @type message: openid.message.Message @returns: C{True} if the signature is valid, C{False} if not. @returntype: bool """

        assoc = self.getAssociation(assoc_handle, dumb=True)
        if not assoc:
            logging.error("failed to get assoc with handle %r to verify "
                        "message %r"
                        % (assoc_handle, message))
            return False

        try:
            valid = assoc.checkMessageSignature(message)
        except ValueError, ex:
            logging.exception("Error in verifying %s with %s: %s" % (message,
                                                               assoc,
                                                               ex))
            return False
        return valid