How Well Do You Understand Python?

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Answers

1. Which of the following is a characteristic of Python's garbage collection mechanism?

Manual memory management

Reference counting and a cyclic garbage collector

Only manual memory deallocation

No garbage collection

2. Which feature is NOT inherited by Python from the ABC language?

Built-in tuple types

Structure by indentation

Strong typing without variable declarations

Object-oriented programming

3. What is 'Timsort' in Python?

A type of variable

A sorting algorithm

A data structure

A built-in function

4. In Python, which statement is used to handle exceptions?

try/except

catch/throw

validate/rescue

attempt/handle

5. Which of the following is NOT an immutable sequence type in Python?

tuple

string

list

bytes

6. What does the 'yield' keyword do in Python?

Exits a function and returns a value

Causes the function to return a generator

Creates a lambda function

Defines a new variable

7. In Python, what does the '*' operator do when used in a function definition?

Unpacks a list or tuple

Creates a pointer

Raises an error

Multiplies values

8. What does the `enumerate()` function do when applied to a list?

Counts the elements in the list

Returns an iterator that yields pairs of index and value

Sorts the list in-place

Concatenates the list elements into a string

9. Which Python feature allows for the creation of one-liner loops and conditionals inside a list declaration?

Lambda functions

List comprehensions

Generator expressions

Map functions

10. Which built-in function can be used to display the documentation of a function object?

manual()

doc()

info()

help()

11. What is the primary function of the `init` method in a class?

To initialize the class object

To destroy the class object

To define class-level variables

To create private variables

12. What does `self` refer to in a class method?

The class itself

A global variable

The instance calling the method

None of the above

13. Which Python feature allows a quick check if an object supports a protocol via try/except without using `isinstance` or `hasattr`?

Duck Typing

Strict Typing

Static Typing

Dynamic Typing

14. What is the difference between `list.sort()` and `sorted(list)`?

list.sort() sorts the list in place, while sorted(list) returns a new sorted list.

list.sort() returns a new sorted list, while sorted(list) sorts the list in place.

There is no difference

list.sort() can sort lists of mixed data types, while sorted(list) cannot.

15. Which method is used to replace parts of a string in Python?

replace()

substitute()

substring()

swap()

16. What does the `defaultdict` class from the collections module do?

Automatically handles missing keys by inserting a default value

Generates a dictionary from a list

Removes duplicate keys

Sorts dictionary keys

17. What is a primary advantage of using Python's `deque` over a list for queue operations?

More consistent syntax

Efficient append and pop operations from both ends

Increased security

Less memory usage

18. Which of the following is NOT a built-in sequence type in Python?

string

list

tuple

map

19. What is a Python decorator typically used for?

To modify or extend the behavior of a function or method

To define a new class

To execute a function in parallel

To import modules

20. What is the primary purpose of the `with` statement in Python?

To create a loop

To open files and handle exceptions

To define a class

To handle context management

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How Well Do You Understand Python?

Your Result:

Not Bad

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Answers

1. Which of the following is a characteristic of Python's garbage collection mechanism?

2. Which feature is NOT inherited by Python from the ABC language?

3. What is 'Timsort' in Python?

4. In Python, which statement is used to handle exceptions?

5. Which of the following is NOT an immutable sequence type in Python?

6. What does the 'yield' keyword do in Python?

7. In Python, what does the '*' operator do when used in a function definition?

8. What does the `enumerate()` function do when applied to a list?

9. Which Python feature allows for the creation of one-liner loops and conditionals inside a list declaration?

10. Which built-in function can be used to display the documentation of a function object?

11. What is the primary function of the `__init__` method in a class?

12. What does `self` refer to in a class method?

13. Which Python feature allows a quick check if an object supports a protocol via try/except without using `isinstance` or `hasattr`?

14. What is the difference between `list.sort()` and `sorted(list)`?

15. Which method is used to replace parts of a string in Python?

16. What does the `defaultdict` class from the collections module do?

17. What is a primary advantage of using Python's `deque` over a list for queue operations?

18. Which of the following is NOT a built-in sequence type in Python?

19. What is a Python decorator typically used for?

20. What is the primary purpose of the `with` statement in Python?

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