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
implement a function that takes in a string returns the reversed version.
user
def reverse_string(string):
    reversed_str = ""
    for char in string:
        reversed_str = char + reversed_str 
    return reversed_str
assistant