PCAP Exception Handling

Question 1

Which keyword is used to handle exceptions in Python?

Accepted Answer

except

Answer

The `except` clause in a `try` block is used to catch and handle exceptions.

Question 2

What happens if no exception is raised in a `try` block that has an `else` clause?

Accepted Answer

The else block is executed

Answer

The `else` block runs only when no exception is raised in the `try` block.

Question 3

Which block always executes regardless of whether an exception occurred?

Accepted Answer

finally

Answer

The `finally` block always runs whether or not an exception was raised, used for cleanup.

Question 4

How do you raise a custom exception in Python?

Accepted Answer

raise Exception('msg')

Answer

Python uses the `raise` keyword to manually throw an exception.

Question 5

What is the base class for all built-in exceptions in Python?

Accepted Answer

BaseException

Answer

`BaseException` is the root of the Python exception hierarchy; `Exception` is its subclass for non-system-exiting exceptions.

PCAP - Certified Associate in Python Programming Practice Test