Sometimes we want the formatted price in phtml file. But in Magento 1 we could directly wrote using core module file.
So you might think, is it possible in Magento 2?
Yes, it is possible but there are different way to access this.
Magento 2 gives the formatted price in 2 core modules:
1. Checkout
2. Sales/Order
- 
If we want the formatted price in checkout page, we can write this code:
 
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					 1 2  | 
						$checkouthelper = $this->helper('\Magento\Checkout\Helper\Data'); echo $checkouthelper->formatPrice($_item->getWarrantyCharge());  | 
					
- 
If we want the formatted price in Sales/Order page, we can write this code:
 
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					 1  | 
						echo $_order->formatPrice($amount);  | 
					
Now refresh the page and check the formatted price.