You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: test_pull433.m
    path of file: ./repos/fieldtrip/test
    
    the code of the file until where you have to start completion: function test_pull433

% MEM 1gb
% WALLTIME 00:20:00
% DEPENDENCY
% DATA private

cd(dccnpath('/home/common/matlab/fieldtrip/data/test/pull433'));
load('SubjectUCI29_elec_tal_f.mat', 'elec_tal_f');
load('SubjectUCI29_hull_lh.mat', 'mesh');

% keepchannel
elec_tal_fr = elec_tal_f;

    
function test_pull433

% MEM 1gb
% WALLTIME 00:20:00
% DEPENDENCY
% DATA private

cd(dccnpath('/home/common/matlab/fieldtrip/data/test/pull433'));
load('SubjectUCI29_elec_tal_f.mat', 'elec_tal_f');
load('SubjectUCI29_hull_lh.mat', 'mesh');

% keepchannel
elec_tal_fr = elec_tal_f;
grids = {'LPG*', 'LTG*'};
for g = 1:numel(grids)
  cfg             = [];
  cfg.channel     = grids{g};
  cfg.keepchannel = 'yes';            % <-
  cfg.elec        = elec_tal_fr;
  cfg.method      = 'headshape';
  cfg.headshape   = mesh;
  cfg.warp        = 'dykstra2012';
  elec_tal_fr = ft_electroderealign(cfg);
end