<?php

$other_page = 12;

?>
<p><?php the_field('key_#', $other_page); ?></p>
<?php

// get variable
$variable = get_field('key_#', $other_page);

// repeater field: note that the_sub_field and get_sub_field don't need a post id parameter
if( have_rows('repeater_field_name', $other_page) ): ?>
 
    <ul>
 
    <?php while( have_rows('repeater_key_#', $other_page) ): the_row(); ?>
    
        <li>sub_field_1 = <?php the_sub_field('sub_field_1'); ?>, sub_field_2 = <?php the_sub_field('sub_field_2'); ?>, etc</li>
        
        <?php 
        
        $sub_field_3 = get_sub_field('sub_field_3'); 
        
        // do something with $sub_field_3
        
        ?>
        
    <?php endwhile; ?>
 
    </ul>
 
<?php endif; ?>