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 few lines of code for a function to calculate the area of a triangle.
user
def trianglearea(base, height): 
  area = (base * height) / 2 
  return area

# usage 
trianglearea(5, 2) # 5 is the base, 2 is the height 
# output: 5.0
assistant