Object-oriented programming: IB Computer Science practice

Classes, objects and inheritance. 5 questions in the style of the IB Computer Science exam.

Sample questions

What does this program print?

class BankAccount:
    def __init__(self, owner, balance=0):
        self.owner = owner
        self.balance = balance

    def deposit(self, amount):
        self.balance += amount

    def withdraw(self, amount):
        if amount > self.balance:
            return False
        self.balance -= amount
        return True

acc = BankAccount("Mei", 50)
acc.deposit(25)
print(acc.withdraw(100))
print(acc.withdraw(30))
print(acc.owner, acc.balance)