def METHOD_NAME(self, node):
    self.update = True
    elts = []
    nelts = min(len(n.elts) for n in node.args[1:])
    for i in range(nelts):
        elts.append([n.elts[i] for n in node.args[1:]])
    return ast.List([ast.Call(node.args[0], elt, []) for elt in elts],
                    ast.Load())