as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
write an algorithm for the towers of hanoi.
user
def hanoi(n, source, spare, target): 
    if n > 0: 
        # step 1: move n-1 disks from source to spare. 
        hanoi(n-1, source, target, spare) 
  
        # step 2: move the nth disk from source to target. 
        target.push(source.pop())
  
        # step 3: move n-1 disks from spare to target. 
        hanoi(n-1, spare, source, target)
assistant