以编程方式将多个新产品添加到网站woocommerce使用PHP代码

i have 3000 products to upload to the website so am trying to add products programmatically to my woocommerce website got some code which add's products programmatically am new to this i have no idea how to run this and where to run this am stucked in between the a small help will be appreciated a lot where to run the code and how to add the multiple products to website .

$post = array(
 'post_author' => $user_id,
 'post_content' => '',
 'post_status' => "publish",
 'post_title' => $product->part_num,
 'post_parent' => '',
 'post_type' => "product",

 );
  //Create post
 $post_id = wp_insert_post( $post, $wp_error );
 if($post_id){
 $attach_id = get_post_meta($product->parent_id, "_thumbnail_id", true);
 add_post_meta($post_id, '_thumbnail_id', $attach_id);
}
wp_set_object_terms( $post_id, 'Races', 'product_cat' );
 wp_set_object_terms($post_id, 'simple', 'product_type');



 update_post_meta( $post_id, '_visibility', 'visible' );
 update_post_meta( $post_id, '_stock_status', 'instock');
 update_post_meta( $post_id, 'total_sales', '0');
 update_post_meta( $post_id, '_stock', "" );

The answer to this question shows how to programmatically add products to Woocommerce: https://wordpress.stackexchange.com/questions/137501/how-to-add-product-in-woocommerce-with-php-code