Exceptions: IB Computer Science practice

try, except and debugging. 3 questions in the style of the IB Computer Science exam.

Sample questions

What does this program print?

attempts = 0
for v in ["12", "x", "0", "4"]:
    try:
        n = int(v)
        print(12 // n)
    except ValueError:
        print("not a number")
    except ZeroDivisionError:
        print("cannot divide by zero")
    finally:
        attempts += 1
print(attempts, "attempts")