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 a function to determine whether or not a given number is a perfect square.
user
def is_perfect_square(n):
    root = math.sqrt(n)
    if int(root + 0.5) ** 2 == n: 
        return true 
    else: 
        return false
assistant