def test_customer_summary():
bank = Bank()
john = Customer("John").openAccount(Account(CHECKING))
bank.addCustomer(john)
assert_equals(bank.customerSummary(),
"Customer Summary\n - John (1 account)")
def test_customer_summary():
bank = Bank()
john = Customer("John").openAccount(Account(CHECKING))
bank.addCustomer(john)
assert_equals(bank.customerSummary(),
"Customer Summary\n - John (1 account)")
