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
what type of error is the following piece of code producing?

def print_hello():
print("goodbye")
user
this is a syntax error because the code is attempting to execute a function without a return statement. the function should be written as `def print_hello(): return "goodbye"` instead.
assistant