PCAP Exception Handling 3

Question 1

What is the purpose of the `assert` statement in Python?

Accepted Answer

To test a condition and raise AssertionError if false

Answer

`assert` tests a condition and raises `AssertionError` if the condition evaluates to False.

Question 2

Which exception is raised when you try to open a file that does not exist?

Accepted Answer

FileNotFoundError

Answer

`FileNotFoundError` is a subclass of `OSError` raised when a file or directory is not found.

Question 3

What happens if an exception is raised inside a `finally` block?

Accepted Answer

It replaces any previously raised exception

Answer

An exception raised in a `finally` block replaces and discards any exception currently being propagated.

Question 4

Which exception type is raised when a function receives an argument of the wrong type?

Accepted Answer

TypeError

Answer

`TypeError` is raised when an operation or function is applied to an object of an inappropriate type.

Question 5

What does `raise` without an argument do inside an `except` block?

Accepted Answer

Re-raises the currently handled exception

Answer

A bare `raise` statement re-raises the most recently caught exception with its original traceback.

PCAP - Certified Associate in Python Programming Practice Test