Get product tier pricing programmatically in Magento 2

Get product tier pricing programmatically in Magento 2

<?php
use \Magento\Framework\App\Bootstrap;

#require __DIR__ . '/../app/bootstrap.php';
require '/www/mag2.local/app/bootstrap.php';

$bootstrap = Bootstrap::create(BP, $_SERVER);
$objectManager = $bootstrap->getObjectManager();

### Setting area code
### NOTE: for more info http://devdocs.magento.com/guides/v2.1/architecture/archi_perspectives/components/modules/mod_and_areas.html
$state = $objectManager->get('\Magento\Framework\App\State');
#$state->setAreaCode('base');

$productId = 1;
$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$product_obj = $objectManager->create('\Magento\Catalog\Model\Product')->load($productId);

getDefaultGroup($product_obj);
getAnyGroup($product_obj);

function getDefaultGroup($product_obj) {
 $tier_price = $product_obj->getTierPrice();

 if(count($tier_price) > 0){
  echo "price_id\tprice_qty\tprice\twebsite_price\n";

  foreach($tier_price as $price){
   echo $price['price_id'];
   echo "\t";
   echo $price['price_qty'];
   echo "\t";
   echo $price['price'];
   echo "\t";
   echo $price['website_price'];
   echo "\n";
  }
 } else {
  echo 'There is no tiering price for the default group.' . PHP_EOL;
 }
}

function getAnyGroup($product_obj) {
 $tier_price = $product_obj->getTierPrices();

 if(count($tier_price) > 0){
  echo "price_qty\tprice\tCustomerGroupId\n";

  foreach($tier_price as $price){
   echo $price->getQty();
   echo "\t";
   echo $price->getValue();
   echo "\t";
   echo $price->getCustomerGroupId();
   echo "\t";
   echo "\n";
   print_r($price->getData());
   echo "\t";
   echo "\n";
  }
 }
}

#print_r($tier_price);
#print_r(get_class_methods($price));