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

Who developed Python?

1. James Gosling

2. Guido van Rossum

3. Dennis Ritchie

4. Bjarne Stroustrup

2 / 30

Which prefix makes variable private in class?

1. $

2. __

3. _

4. @@

3 / 30

Which method removes the last element from the list?

1. delete()

2. pop()

3. remove()

4. discard()

4 / 30

What is the output of

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

1. 1

2. 2

3. 3

4. 4

5 / 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]

6 / 30

Which method returns dictionary items as pairs?

1. keys()

2. values()

3. items()

4. pairs()

7 / 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

8 / 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

9 / 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

10 / 30

What keyword is used for exception handling?

1. catch

2. try

3. throw

4. error

11 / 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]

12 / 30

What is polymorphism?

1. Same function name different behaviors

2. Data encapsulation

3. Recursion

4. different function name different behaviors

13 / 30

Which function returns both index and value in a loop?

1. zip()

2. enumerate()

3. items()

4. keys()

14 / 30

Which decorator makes method belong to class not object?

1. @staticmethod

2. @property

3. @super

4. @classmethod

15 / 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

16 / 30

Which function checks the existence of a path?

1. os.exists()

2. os.path.exists()

3. path.exist()

4. os.check()

17 / 30

Which method returns sorted list without modifying original?

1. sort()

2. sorted()

3. arrange()

4. order()

18 / 30

What is the output?

print("hello world".title())

1. "hello world"

2. "HELLO WORLD"

3. "Hello World"

4. "Hello world"

19 / 30

Which method clears all elements from a list?

1. clear()

2. delete()

3. remove()

4. pop()

20 / 30

What does **kwargs represent?

1. Variable positional arguments

2. Recursive arguments

3. Variable keyword arguments

4. Global arguments

21 / 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

22 / 30

Which keyword calls parent class method?

1. parent

2. this

3. super()

4. __init__

23 / 30

What is Python?

1. A markup language

2. A high-level programming language

3. A database

4. An operating system

24 / 30

What is the output?

print(0.1 + 0.2 == 0.3)

1. True

2. False

3. Error

4. 0.3

25 / 30

What is the output?

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

1. 6

2. 5

3. 3

4. Error

26 / 30

What is a decorator in Python?

1. Modifies behavior of function

2. Deletes a function

3. Defines a new class

4. Creates variables

27 / 30

What does __repr__ return?

1. Memory address

2. None

3. User-friendly string

4. Developer representation

28 / 30

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

1. Defines constants

2. Runs code only when file executed directly

3. Defines classes

4. Imports file

29 / 30

Which method removes an element by value?

1. delete()

2. pop()

3. remove()

4. clear()

30 / 30

Predict the output:

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

1. ['a', 'o']

2. ['o']

3. []

4. Error

Your score is