text: const book = require("../shared/book");
  
  function insert(account) {
    book.insertAccount(account);
    return account;
  }
  
  function update(name, account) {
    book.updateAccount(name, account);
    return account;
  }
  
  function remove(name) {
    book.removeAccount(name);
  }
  
  module.exports = {
    insert,
    update,
    remove,
  };
  