Python Advanced Quiz

1. What is a decorator in Python?

a) A loop construct

b) A function that modifies another function

c) A type of variable

d) A class method

2. What does `yield` do in a function?

a) Terminates the function

b) Returns a generator object

c) Prints output

d) Raises an exception

3. True or False: A context manager can be used with the `with` statement.

a) True

b) False

4. What is the output of `class A: pass; A.__class__`?

a) A

b) type

c) None

d) Error

5. What does `@classmethod` do?

a) Makes a method static

b) Passes the class as the first argument

c) Prevents method overriding

d) Creates a property

6. What is the purpose of `__slots__` in a class?

a) Defines instance methods

b) Reduces memory usage

c) Enables inheritance

d) Creates private attributes

7. What is the output of `[x for x in (1, 2, 3) if x > 1][-1]`?

a) 1

b) 2

c) 3

d) Error

8. True or False: Python's garbage collector uses reference counting.

a) True

b) False

9. What does `functools.partial` do?

a) Creates a new function with preset arguments

b) Splits a function into parts

c) Optimizes function execution

d) Defines a generator

10. What happens if `__init__` is not defined in a class?

a) The class cannot be instantiated

b) The parent class's `__init__` is used

c) An error is raised

d) The instance has no attributes