press f to move to the next element in matlab

main.m
% Sample data
data = [1 2 3 4 5];

% Create a figure
fig = figure();

% Create a text object to display the data
txt = text(0.5, 0.5, num2str(data(1)));
txt.FontSize = 30;

% Set the KeyPressFcn callback
fig.KeyPressFcn = @moveNext;

% Define the callback function
function moveNext(src, event)
    if strcmp(event.Key, 'f')
        % Move to the next element
        txt.String = num2str(data(mod(find(data == str2double(txt.String))+1, length(data))+1));
    end
end
469 chars
21 lines