<<<<<<< ours
def compute_total(items, discount=0.0):
    subtotal = sum(item.price for item in items)
    return subtotal * (1 - discount)
||||||| base
def compute_total(items):
    return sum(item.price for item in items)
=======
def compute_total(items, tax_rate=0.0):
    subtotal = sum(item.price for item in items)
    return subtotal + subtotal * tax_rate
>>>>>>> theirs
