parameters: (self, nargs)
docstring: Implement the sum() XPath function number sum(node-set) The
            sum function returns the sum of the values of the nodes in
             the argument node-set.
docstring_summary: Implement the sum() XPath function number sum(node-set) The
            sum function returns the sum of the values of the nodes in
             the argument node-set.
docstring_tokens: Implement the sum () XPath function number sum ( node - set ) The sum function returns the sum of the values of the nodes in the argument node - set .
function: def xpathSumFunction(self, nargs):
          """Implement the sum() XPath function number sum(node-set) The
            sum function returns the sum of the values of the nodes in
             the argument node-set. """
          libxml2mod.xmlXPathSumFunction(self._o, nargs)
function_tokens: def xpathSumFunction ( self , nargs ) : libxml2mod . xmlXPathSumFunction ( self . _o , nargs )