create child theme in wordpress

add_action( 'wp_enqueue_scripts', 'my_theme_enqueue_styles' );
function my_theme_enqueue_styles() {
    wp_enqueue_style( 'child-style', get_stylesheet_uri(),
        array( 'parenthandle' ), 
        wp_get_theme()->get('Version') // this only works if you have Version in the style header
    );
}
/*
 Theme Name:   WPB Child Theme
 Theme URI:    https://www.wpbeginner.com
 Description:  A Twenty Thirteen child theme 
 Author:       WPBeginner
 Author URI:   https://www.wpbeginner.com
 Template:     twentythirteen
 Version:      1.0.0
*/
 
@import url("../twentythirteen/style.css");
 
.site-title {
padding: 30px 0 30px;
}
 
.site-header .home-link {
min-height: 0px;
}
 
.navbar {
background-color: #e8e5ce;
}
 
.widget { 
background-color: #e8e5ce;
}
.site-footer {
background-color: #d8cdc1;
} 
.site-footer .sidebar-container { 
background-color:#533F2A
}
add_action( 'wp_enqueue_scripts', 'enqueue_parent_styles' );

function enqueue_parent_styles() {
   wp_enqueue_style( 'parent-style', get_template_directory_uri().'/style.css' );
}
/*
Theme Name: Twenty Fifteen Child
Theme URI: http://example.com/twenty-fifteen-child/
description: >-
  Twenty Fifteen Child Theme
Author: John Doe
Author URI: http://example.com
Template: twentyfifteen
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Tags: light, dark, two-columns, right-sidebar, responsive-layout, accessibility-ready
Text Domain: twenty-fifteen-child
*/