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

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

1. Defines constants

2. Runs code only when file executed directly

3. Defines classes

4. Imports file

2 / 30

What does **kwargs represent?

1. Variable positional arguments

2. Recursive arguments

3. Variable keyword arguments

4. Global arguments

3 / 30

Which method returns sorted list without modifying original?

1. sort()

2. sorted()

3. arrange()

4. order()

4 / 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

5 / 30

What keyword is used for exception handling?

1. catch

2. try

3. throw

4. error

6 / 30

What is polymorphism?

1. Same function name different behaviors

2. Data encapsulation

3. Recursion

4. different function name different behaviors

7 / 30

What does __repr__ return?

1. Memory address

2. None

3. User-friendly string

4. Developer representation

8 / 30

Which method clears all elements from a list?

1. clear()

2. delete()

3. remove()

4. pop()

9 / 30

What is the output?

print("hello world".title())

1. "hello world"

2. "HELLO WORLD"

3. "Hello World"

4. "Hello world"

10 / 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]

11 / 30

Who developed Python?

1. James Gosling

2. Guido van Rossum

3. Dennis Ritchie

4. Bjarne Stroustrup

12 / 30

What is Python?

1. A markup language

2. A high-level programming language

3. A database

4. An operating system

13 / 30

Which keyword calls parent class method?

1. parent

2. this

3. super()

4. __init__

14 / 30

Which method returns dictionary items as pairs?

1. keys()

2. values()

3. items()

4. pairs()

15 / 30

What is the output?

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

1. 6

2. 5

3. 3

4. Error

16 / 30

Which method removes the last element from the list?

1. delete()

2. pop()

3. remove()

4. discard()

17 / 30

Which function checks the existence of a path?

1. os.exists()

2. os.path.exists()

3. path.exist()

4. os.check()

18 / 30

What is the output of

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

1. 1

2. 2

3. 3

4. 4

19 / 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

20 / 30

Which prefix makes variable private in class?

1. $

2. __

3. _

4. @@

21 / 30

What is the output?

print(0.1 + 0.2 == 0.3)

1. True

2. False

3. Error

4. 0.3

22 / 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

23 / 30

Predict the output:

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

1. ['a', 'o']

2. ['o']

3. []

4. Error

24 / 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

25 / 30

Which decorator makes method belong to class not object?

1. @staticmethod

2. @property

3. @super

4. @classmethod

26 / 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]

27 / 30

What is a decorator in Python?

1. Modifies behavior of function

2. Deletes a function

3. Defines a new class

4. Creates variables

28 / 30

Which function returns both index and value in a loop?

1. zip()

2. enumerate()

3. items()

4. keys()

29 / 30

Which method removes an element by value?

1. delete()

2. pop()

3. remove()

4. clear()

30 / 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

Your score is