<?php

function theme_enqueue_styles() {
    wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' );
    wp_enqueue_style( 'child-style',
        get_stylesheet_directory_uri() . '/style.css',
        array('parent-style')
    );
}
function wpb_adding_scripts(){
	wp_register_script('my_script', get_stylesheet_directory_uri() . '/script_1.js', array('jquery'),null, true);
	wp_enqueue_script('my_script');

}
add_action('wp_enqueue_scripts', 'theme_enqueue_styles');
add_action( 'wp_enqueue_scripts', 'wpb_adding_scripts' );

?>