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
generate a computer program to calculate the area of rectangle
user
def areaofrectangle(length, width): 
  # calculate area 
  area = length * width 
  # return area 
  return area 

# driver code 
length = 5
width = 10
print("area of rectangle =", areaofrectangle(length, width))
assistant