How Well Do You Know Python?

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Created 6/14/2024

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Sources

https://towardsdatascience.com/10-topics-python-intermediate-programmer-should-know-3c865e8533d6

https://www.geeksforgeeks.org/top-10-advance-python-concepts-that-you-must-know/

https://strawpoll.com/most-difficult-python-concepts

Put your Python knowledge to the test and see how many correct answers you can get out of 15!

1. Which of the following functions is NOT part of the itertools module?

count()

cycle()

repeat()

map()

2. What does the itertools 'product()' function do?

Generates the Cartesian product of input iterables

Generates an infinite sequence of elements

Repeats an element infinitely

Accumulates sums of elements from iterable

3. Which function from itertools would you use to repeatedly generate 'ABABAB...'?

count()

cycle()

repeat()

accumulate()

4. What does the lambda keyword in Python do?

Defines a small anonymous function

Creates a generator

Starts a multiline comment

Defines a named function

5. Which of these is the syntax for defining a lambda function?

lambda x: x + 1

def lambda(x): x + 1

lambda (x: x + 1)

def lambda x: x + 1

6. What is the purpose of the 're' module?

Regular expressions

Random number generation

Reading files

Handling dates and times

7. Which method from the 're' module would you use to find all non-overlapping matches of a pattern in a string?

search()

match()

findall()

sub()

8. Which one is NOT a magic method in Python?

__add__

__init__

__call__

__map__

9. What is threading primarily used for in Python?

Speeding up computation by parallel execution

Reading and writing network sockets

Managing memory allocation

Creating GUI applications

10. Which module must be imported to use Thread class in Python?

threading

multiprocessing

asyncio

concurrent

11. What is the main purpose of the 'map()' function?

To apply a function to all items in an iterable

To filter elements from an iterable

To accumulate the results of elements in an iterable

To repeat elements of an iterable

12. What will be the result of evaluating list(map(lambda x: x + 1, [1, 2, 3]))?

[2, 3, 4]

[1, 2, 3]

[0, 1, 2]

[3, 4, 5]

13. What kind of exception does the 'ZeroDivisionError' in Python handle?

Division of a number by zero

Accessing an undefined variable

Accessing a list out of its bounds

File not found error

14. Which method is called automatically when an instance of a class is created?

__str__

__init__

__add__

__repr__

15. What does the 'finally' block do in exception handling?

Executes code no matter what happens

Handles an exception if one is raised

Raises an exception

Ignores any exceptions

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