Decorators Questions and Answers
Python Programming - Decorators Questions with Answers help understand how functions can modify other functions’ behavior. These Python Decorators Questions are common in Infosys, Wipro, and Cognizant exams to test advanced Python concepts
Decorators
Showing 10 of
25 questions
11. Can decorators take arguments?
- No, never
- Yes, with additional function layer
- Only string arguments
- Only numeric arguments
12. What is the purpose of functools.wraps in decorators?
- Improves performance
- Preserves function metadata
- Handles exceptions
- Manages memory
13. Which of these is a valid decorator application?
- @decorator def my_func(): pass
- def my_func(): @decorator pass
- def @decorator my_func(): pass
- decorator @ def my_func(): pass
14. What happens if a decorator returns a non-callable object?
- Function works normally
- TypeError when calling function
- Function returns None
- SyntaxError
15. Can decorators be applied to class methods?
- No, only functions
- Yes, both functions and methods
- Only instance methods
- Only static methods
16. What is a decorator factory?
- A class that creates decorators
- A function that returns a decorator
- A special import statement
- A built-in decorator
17. Which decorator is used for method overloading?
- @overload
- @singledispatch
- @multimethod
- @dispatch
18. What does @property decorator do?
- Makes method private
- Allows method access like attribute
- Prevents attribute modification
- Makes method static
19. Can decorators access function arguments?
- No, never
- Yes, through *args and **kwargs
- Only positional arguments
- Only keyword arguments
20. What is the execution order of multiple decorators?
- Top to bottom
- Bottom to top
- Random order
- Alphabetical order