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
identify any errors in the following python code.

def say_hello(name):
    print("hello %s!" % name)

say_hello("john")
user
no errors were found.
assistant