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
create a function that takes a string as an input and outputs the reversed string.
user
def reverse_string(s): 
  str = "" 
  for i in s: 
    str = i + str
  return str 
  
print(reverse_string("hello world"))
assistant