Bank¶

class bank.Bank(name)[source]¶

A Bank has many accounts.

Parameters: name (str) – The bank’s name.

Example:

>>> from bank import Bank
>>> bank = Bank("Supersafe Ltd")
Bank Supersafe Ltd            | Open for business.
>>> bank.add_account("Heihei")
Bank Supersafe Ltd            | added an account named Heihei.
>>> bank.deposit("Heihei", 400)
Account Heihei                | Deposited 400. New balance is 400.
Bank Supersafe Ltd            | Deposit of 400 to Heihei accepted.

add_account(account_name)[source]¶

Adds a new account to the bank if allowed.

Returns: Whether the request succeeded.
Return type: bool

account_exists(account_name)[source]¶

Checks whether an account exists.

Parameters: account_name (str) – The account name.
Returns: Whether the account exists.
Return type: bool

deposit(account_name, amount)[source]¶

Accepts a deposit into an account.

Parameters

account_name (str) – The account name.
amount (float) – The amount to deposit.

Returns

Whether the deposit succeeded.

Return type

bool

withdraw(account_name, amount)[source]¶

Withdraws money from an account if possible.

Parameters

account_name (str) – The account name.
amount (float) – The amount to withdraw.

Returns

Whether the withdrawal succeeded.

Return type

bool

check_balance(account_name)[source]¶

Checks the balance of an account if one exists

Parameters: account_name (str) – The account name.
Returns: The balance of the account or None if the account doesn’t exist.

report(activity)[source]¶

Prints out a successful activity.

Parameters: activity (str) – A description of what happened.

bank.transfer(source_account_name, destination_account_name, amount)¶

NOTE: THIS METHOD IS NOT YET IMPLEMENTED!

Moves the amount from a source account to a destination account name if there are accounts with both names in this Bank and if there are sufficient funds in the source account. Reports to the user what happened.

Parameters

source_account_name (str) – Name of the source account.
destination_account_name (str) – Name of the destination account.
amount (float) – How much money to transfer.

Returns

Whether the transfer succeeded.

Return type

bool