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 pseudocode for a program that updates a database
user
for each entry in the database:
  read the value 
  update the value
  write the new value back to the database
end for
assistant