% This function implements a simple guessing game where the user
% picks a number and the computer must guess it.

function guess2

% Display a message:
disp('Think of a number between 1 and 100 and then hit any key.');

% Wait for keypress.
pause;

% Loop forever:
while 1

    % Make a random guess between 1 and 100
    myguess = randi(100);
    
    % Create a prompt using string formatting function.
    prompt = sprintf('Is it %d? (y/n) ', myguess);        
    
    % Prompt the user for an answer and store it in a string.
    answer = input(prompt, 's');

    % See if the string matches 'y':
    if strcmpi(answer, 'y')
        
        % If correct, exit the loop using "break":
        disp('I win!')
        break
        
    else
        
        % Otherwise, keep going.
        disp('Ok, I''ll keep guessing.')
        
    end

end