A) The contextlib module's contextmanager decorator is used with:

B) What type of object does the with statement expect?

C) Can context managers be nested within each other?

D) What does the __exit__ method return to suppress exceptions?

E) Custom context managers can be created using which of the following?

F) What is the primary purpose of the contextlib.nullcontext?

G) What does using contextlib.suppress accomplish?

H) Which method is called when entering a context manager?

I) What is the advantage of using the contextlib.ExitStack?

J) What exception does a context manager's __exit__ method parameters allow to handle?

K) What method is called upon exiting a context manager, regardless of an exception being raised or not?

L) Which is NOT a built-in context manager in Python?

M) The with statement can manage multiple context managers in a single line using:

N) How can context managers benefit your code?

O) In custom context managers, __exit__ receives how many arguments besides self?

P) Which module provides utilities for creating context managers?

Q) What does the with statement in Python simplify?

R) When might you prefer a function-based context manager over a class-based one?

S) Which of the following is a valid use case for context managers?

T) Which of the following is a common mistake when using context managers?