5.3 Functions to add/edit/delete/get accounts

• (leas/aa account-name type opening-balance)

  Adds an account with name account-name of type type (one of “asset”, “liability”, “income”, “expense”) with opening balance opening-balance.

• (leas/ea account-name new-account-name new-opening-balance)

  Edits the account that currently has account-name to have a new name and a new opening balance.

• (leas/da account-name)

  Delete the account with account-name.

• (leas/get-account account-name)

  Return the account with name account-name. An account in Scheme is a list with four elements in this order: (name type number-of-transactions opening-balance).

• (leas/get-number-of-accounts)

  Return the total number of accounts.

• (leas/get-account-by-location account-number)

  Return account at location account-number.

• (leas/get-account-location account-name)

  Return the location of the account with name account-name.