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 code to generate the fibonacci series
user
def fibonacci(n):  
   if n<0:  
      print("incorrect input")  
   elif n==1:  
      return 0
   elif n==2:  
      return 1
   else:  
      return fibonacci(n-1)+fibonacci(n-2)
assistant