from typing import List, Tuple
-def calculate_total(items: List[Tuple[str, float, int]], tax_rate: float, discount: float) -> float:
- total: float = 0.0
- for item_name, price, quantity in items:
- item_total = price * quantity
- total += item_total
- if discount > 0:
- total -= total * (discount / 100)
- return
-cart_items = [('Book', 15.99, 2), ('Pen', 1.50, 5)]
-print(calculate_total(cart_items, 5, 10))
This code snippet involves a function to calculate the total cost of items in a shopping cart, including tax and discounts. Analyze the function for logic errors and correct type annotations in a real-world e-commerce scenario. Identify the lines with logical and syntactical errors in the context of a typical shopping cart calculation.