Modify the make-account procedure so that it creates password-protected accounts. That is, make-account should take a symbol as an additional argument, as in (define acc (make-account 100 'secret-password

he resulting account object should process a request only if it is accompanied by the password with which the account was created, and should otherwise return a complaint:

(acc 'secret-password 'withdraw) 40)((acc 'some-other-password 'deposit) 50) "Incorrect password"