input: Write a python function to calculate the total cost of items in a list.
  assert calculateTotalCost([("item1", 10), ("item2", 20), ("item3", 30)]) == 60
  assert calculateTotalCost([("itemA", 5), ("itemB", 15), ("itemC", 25), ("itemD", 35)]) == 80
  assert calculateTotalCost([("product1", 100), ("product2", 200)]) == 300
output: def calculateTotalCost(items):
      return sum(price for item, price in items)