how create widget widget in wordpress

1/*  add this code in footer.php child theme file  */
2
3		<div id="footer-sidebar" class="secondary">
4			<div id="footer-sidebar1">
5				<?php
6				if(is_active_sidebar('footer-sidebar-1')){
7				dynamic_sidebar('sidebar1');
8				}
9				?>
10			</div>
11			<div id="footer-sidebar2">
12				<?php
13				if(is_active_sidebar('footer-sidebar-2')){
14				dynamic_sidebar('sidebar2');
15				}
16				?>
17			</div>			
18		</div>
19        
20/*  add this code in functions.php child theme file */
21    
22    register_sidebar( array(
23	'name' => 'Footer #1',
24	'id' => 'sidebar1',
25	'before_title' => '<h3 class="widget-title">',
26	'after_title' => '</h3>',
27	) );
28	register_sidebar( array(
29	'name' => 'Footer #2',
30	'id' => 'sidebar2',
31	'before_title' => '<h3 class="widget-title">',
32	'after_title' => '</h3>',
33	) );
34    
35    }
36add_action( 'wp_enqueue_scripts', 'twentytwenty_child_enqueue_child_styles' );
37    

1/*add this code in your child theme css style.css file */
2
3#footer-sidebar {
4	display:block;
5	height: 250px;
6	}
7	
8	#footer-sidebar1 {
9	float: left;
10	width: 340px;
11	margin-left:5px;
12	margin-right:5px;
13	}
14	
15	#footer-sidebar2 {
16	float: left;
17	width: 340px;
18	margin-right:5px;
19	margin-left:5px;
20	}
21/* end style.css  */    
22