Python Quiz - pythonjournals

/30

The test begins as soon as you click the Start button. You may continue working until the time limit expires. When the time is up, your test will be submitted automatically, whether you have finished or not. Please manage your time carefully and review your answers before the deadline.

When your time is up, your test will be submitted automatically, whether you have finished answering or not. Please manage your time wisely.

Python Practice Quiz: 30 Logical & Coding Questions

Test your Python knowledge with 30 carefully selected questions, ranging from basics to tricky logical problems. Perfect for beginners and intermediate learners.

1 / 30

Which decorator makes method belong to class not object?

1. @staticmethod

2. @property

3. @super

4. @classmethod

2 / 30

What is a decorator in Python?

1. Modifies behavior of function

2. Deletes a function

3. Defines a new class

4. Creates variables

3 / 30

What is the output of

len({"a": 1, "b": 2})

1. 1

2. 2

3. 3

4. 4

4 / 30

What does if __name__ == "__main__": do?

1. Defines constants

2. Runs code only when file executed directly

3. Defines classes

4. Imports file

5 / 30

Which prefix makes variable private in class?

1. $

2. __

3. _

4. @@

6 / 30

Which of the following statements about Python are TRUE?

1. set([1,2,2,3]) == {1,2,3}

2. hash("abc") == hash("abc") within the same run

3. Python dictionaries preserve insertion order from Python 3.7+

4. float("nan") == float("nan") returns True

7 / 30

What is the output?

print({x: x**2 for x in range(3)})

1. {1:1, 2:4, 3:9}

2. [0, 1, 4]

3. {0:0, 1:1, 2:4}

4. Error

8 / 30

Which method returns sorted list without modifying original?

1. sort()

2. sorted()

3. arrange()

4. order()

9 / 30

What is the output?

print(len(set([1,2,2,3,3,3])))

1. 6

2. 5

3. 3

4. Error

10 / 30

What is the output?

def add(a, b=[]):


   b.append(a)
   return b
print(add(1))

print(add(2))

1. [1] [2]

2. [1, 2] [1, 2]

3. [1] [1, 2]

4. Error

11 / 30

Which method returns dictionary items as pairs?

1. keys()

2. values()

3. items()

4. pairs()

12 / 30

What does **kwargs represent?

1. Variable positional arguments

2. Recursive arguments

3. Variable keyword arguments

4. Global arguments

13 / 30

Who developed Python?

1. James Gosling

2. Guido van Rossum

3. Dennis Ritchie

4. Bjarne Stroustrup

14 / 30

Predict the result:

print({True: "yes", 1: "no", 0: "zero", False: "false"})

1. {True: 'yes', 1: 'no', 0: 'zero', False: 'false'}

2. {True: 'no', 0: 'false'}

3. {1: 'no', 0: 'zero'}

4. Error

15 / 30

Which method removes the last element from the list?

1. delete()

2. pop()

3. remove()

4. discard()

16 / 30

Which method clears all elements from a list?

1. clear()

2. delete()

3. remove()

4. pop()

17 / 30

How do you check if a key exists in a dictionary?

1. key in dict

2. dict.has(key)

3. dict.exist(key)

4. keyof dict

18 / 30

What does __repr__ return?

1. Memory address

2. None

3. User-friendly string

4. Developer representation

19 / 30

What is the output?

print("hello world".title())

1. "hello world"

2. "HELLO WORLD"

3. "Hello World"

4. "Hello world"

20 / 30

What will be the output?

a = []


for i in range(3):
   a.append(lambda x: i * x)
print([f(2) for f in a])

1. [0, 2, 4]

2. [4, 4, 4]

3. [0, 0, 0]

4. [2, 4, 6]

21 / 30

Predict the output:

print([x for x in "Python" if x in "aeiou"])

1. ['a', 'o']

2. ['o']

3. []

4. Error

22 / 30

What is Python?

1. A markup language

2. A high-level programming language

3. A database

4. An operating system

23 / 30

What is the output?

print(0.1 + 0.2 == 0.3)

1. True

2. False

3. Error

4. 0.3

24 / 30

Which function checks the existence of a path?

1. os.exists()

2. os.path.exists()

3. path.exist()

4. os.check()

25 / 30

What is polymorphism?

1. Same function name different behaviors

2. Data encapsulation

3. Recursion

4. different function name different behaviors

26 / 30

Which function returns both index and value in a loop?

1. zip()

2. enumerate()

3. items()

4. keys()

27 / 30

Which method removes an element by value?

1. delete()

2. pop()

3. remove()

4. clear()

28 / 30

What will be the output?

a = [1, 2, 3] b = a b.append(4) print(a)

1. [1, 2, 3]

2. [1, 2, 3, 4]

3. Error

4. [4]

29 / 30

Which keyword calls parent class method?

1. parent

2. this

3. super()

4. __init__

30 / 30

What keyword is used for exception handling?

1. catch

2. try

3. throw

4. error

Your score is