Python MCQ Questions for Exams, Interviews, and Practice

Python MCQ questions are a great way to learn and test your Python skills. These questions cover important topics like syntax, functions, loops, and more, helping you prepare for exams, interviews, or practice. Multiple-choice questions are quick to answer and give instant feedback, making them an effective tool for improving your understanding of Python. Whether you are a beginner or an experienced programmer, solving Python MCQs regularly can boost your confidence and highlight areas that need more focus. They are also helpful for getting familiar with Python concepts in a structured and easy-to-follow format.

55 Python MCQ Questions for Beginners

1. What is the output of print(“Hello, World!”)?

1. a) Hello World!
2. b) Hello, World!
3. c) Error
4. d) None

Answer: b) Hello, World!

1. Which symbol is used to start a comment in Python?

1. a) //
2. b) <!–
3. c) #
4. d) /*

Answer: c) #

1. What is the correct extension of a Python file?

1. a) .py
2. b) .python
3. c) .pt
4. d) .pyt

Answer: a) .py

1. What is the output of type(10) in Python?

1. a) int
2. b) float
3. c) str
4. d) complex

Answer: a) int

1. Which of the following is a mutable data type in Python?

1. a) Tuple
2. b) String
3. c) List
4. d) None of the above
   Answer: c) List
5. What will be the output of the following code?
   
   if 5 > 2:

    print(“Yes”)

1. a) Error
2. b) Yes
3. c) None
4. d) 5 > 2

Answer: b) Yes

7. What keyword is used to skip an iteration of a loop?
8. a) pass
9. b) skip
10. c) continue
11. d) break

Answer: c) continue

1. How do you define a function in Python?

1. a) function myFunc():
2. b) def myFunc():
3. c) myFunc():
4. d) func myFunc():

Answer: b) def myFunc():

1. What will len([1, 2, 3, 4]) return?

1. a) 4
2. b) 5
3. c) Error
4. d) None

Answer: a) 4

1. Which keyword is used to create a class in Python?

1. a) class
2. b) def
3. c) struct
4. d) object

Answer: a) class

1. In Python, what is self in a class?

1. a) A reference to the current class
2. b) A reference to the parent class
3. c) A local variable
4. d) None of the above

Answer: a) A reference to the current class

1. What mode opens a file for both reading and writing?

1. a) r
2. b) w+
3. c) a
4. d) rw

Answer: b) w+

13. What keyword is used to handle exceptions in Python?
14. a) exception
15. b) try
16. c) catch
17. d) handle

Answer: b) try

14. Which exception is raised when dividing by zero?
15. a) ValueError
16. b) ZeroDivisionError
17. c) ArithmeticError
18. d) TypeError

Answer: b) ZeroDivisionError

15. What is the output of the following code?
    print(bool(0), bool(1))
16. a) True True
17. b) False True
18. c) True False
19. d) False False

Answer: b) False True

16. Which method is used to add an element to a list?
17. a) insert()
18. b) append()
19. c) add()
20. d) push()

Answer: b) append()

17. How is a tuple different from a list in Python?
18. a) Tuples are mutable, lists are immutable
19. b) Tuples use parentheses, lists use square brackets
20. c) Lists cannot contain duplicate elements, tuples can
21. d) Tuples are faster to access than lists

Answer: b) Tuples use parentheses, lists use square brackets

18. What will be the output of the following code?
    x = [1, 2, 3]  

print(x * 2)  

1. a) [1, 2, 3]
2. b) [1, 2, 3, 1, 2, 3]
3. c) [2, 4, 6]
4. d) Error

Answer: b) [1, 2, 3, 1, 2, 3]

19. How do you create an empty dictionary in Python?
20. a) []
21. b) {}
22. c) ()
23. d) dict()

Answer: d) dict()

20. What does id() function in Python return?
21. a) The type of the variable
22. b) The identity of the variable
23. c) The length of the variable
24. d) The memory address of the variable

Answer: d) The memory address of the variable

21. What is the output of the following code?
    a = {1, 2, 3}  

b = {3, 4, 5}  

print(a & b)  

1. a) {1, 2}
2. b) {3}
3. c) {1, 2, 3, 4, 5}
4. d) Error

Answer: b) {3}

22. Which method is used to convert a string to lowercase?
23. a) lowerCase()
24. b) lowercase()
25. c) lower()
26. d) toLowerCase()

Answer: c) lower()

23. What is the output of the following code?
    
    for i in range(1, 5):  

    print(i, end=”, “)  

1. a) 1, 2, 3, 4,
2. b) 1 2 3 4
3. c) 1, 2, 3, 4
4. d) Error

Answer: a) 1, 2, 3, 4,

24. What is the purpose of the __init__ method in Python classes?
25. a) To initialize a class variable
26. b) To create an object of the class
27. c) To initialize an instance of the class
28. d) To define class-level methods

Answer: c) To initialize an instance of the class

25. Which of the following data structures is ordered?
26. a) Set
27. b) Dictionary
28. c) List
29. d) Both b and c

Answer: c) List

26. What will be the output of the following code?
    print(2 ** 3 ** 2)
27. a) 64
28. b) 512
29. c) 16
30. d) Error

Answer: b) 512

27. What does the is operator compare?
28. a) Values of two objects
29. b) Data types of two objects
30. c) Memory location of two objects
31. d) Length of two objects

Answer: c) Memory location of two objects

28. Which function is used to get the current working directory in Python?
29. a) getcwd()
30. b) getwd()
31. c) curdir()
32. d) path.cwd()

Answer: a) os.getcwd()

29. How do you create a new set in Python?
30. a) set[]
31. b) {}
32. c) set()
33. d) set()

Answer: c) set()

30. Which library is used for data manipulation in Python?
31. a) Matplotlib
32. b) Pandas
33. c) NumPy
34. d) SciPy

Answer: b) Pandas

31. What does the np.array() function do in NumPy?
32. a) Creates a new array
33. b) Deletes an array
34. c) Splits an array
35. d) Joins arrays

Answer: a) Creates a new array

32. What is the purpose of plt.show() in Matplotlib?
33. a) To close a plot
34. b) To display a plot
35. c) To save a plot
36. d) To edit a plot

Answer: b) To display a plot

33. Which Python library is commonly used for scientific computations?
34. a) Scikit-learn
35. b) NumPy
36. c) BeautifulSoup
37. d) Flask

Answer: b) NumPy

34. What is the output of np.zeros((2,2)) in NumPy?
35. a) A 2×2 matrix with all elements as 0
36. b) A 2×2 matrix with all elements as 1
37. c) A 1D array with two elements
38. d) Error

Answer: a) A 2×2 matrix with all elements as 0

35. What is the result of the expression 10 // 3?
36. a) 3.33
37. b) 3
38. c) 4
39. d) None

Answer: b) 3

36. Which of the following is not a Python keyword?
37. a) assert
38. b) with
39. c) lambda
40. d) eval

Answer: d) eval

37. What does the zip() function do?
38. a) Combines two iterables into a single iterable
39. b) Compresses a file
40. c) Returns the length of an iterable
41. d) None of the above

Answer: a) Combines two iterables into a single iterable

38. Which function is used to sort a list in Python?
39. a) sort()
40. b) sorted()
41. c) order()
42. d) Both a and b

Answer: d) Both a and b

39. What is the output of round(4.567, 2)?
40. a) 4.57
41. b) 4.56
42. c) 4.6
43. d) None

Answer: a) 4.57

40. What does re.match() do in Python?
41. a) Searches for a match anywhere in the string
42. b) Finds all matches in the string
43. c) Matches only at the beginning of the string
44. d) None of the above

Answer: c) Matches only at the beginning of the string

41. What will be the result of the following code?
    a = [1, 2, 3]  

print(a[3:])  

1. a) []
2. b) [3]
3. c) Error
4. d) None

Answer: a) []

42. What is the purpose of the @staticmethod decorator in Python?
43. a) Defines a method that belongs to the instance
44. b) Defines a method that belongs to the class but does not access class or instance variables
45. c) Defines a private method
46. d) Defines an abstract method

Answer: b) Defines a method that belongs to the class but does not access class or instance variables

43. What does the following code do?
    print(“,”.join([“a”, “b”, “c”]))
44. a) Prints a b c
45. b) Prints abc
46. c) Prints a,b,c
47. d) None of the above

Answer: c) Prints a,b,c

44. What is the default value returned by a Python function that does not specify a return value?
45. a) 0
46. b) None
47. c) Null
48. d) False

Answer: b) None

45. Which operator is used for matrix multiplication in Python (Python 3.5+)?
46. a) *
47. b) matmul
48. c) @
49. d) multiply

Answer: c) @

46. What keyword is used to define a generator in Python?
47. a) yield
48. b) return
49. c) generator
50. d) generate

Answer: a) yield

47. What does the next() function do in Python?
48. a) Terminates an iteration
49. b) Returns the next item from an iterator
50. c) Moves to the next function in a script
51. d) None of the above

Answer: b) Returns the next item from an iterator

48. Which method is called when an iterator reaches the end of the data?
49. a) StopIteration
50. b) KeyError
51. c) IndexError
52. d) ValueError

Answer: a) StopIteration

49. How do you create an iterator in Python?
50. a) Use the iter() function
51. b) Define a class with __next__() and __iter__() methods
52. c) Use a generator
53. d) All of the above

Answer: d) All of the above

50. What is the difference between return and yield in Python?
51. a) return terminates a function; yield pauses it and saves its state
52. b) return is used in loops; yield is used in classes
53. c) yield is faster than return
54. d) None of the above

Answer: a) return terminates a function; yield pauses it and saves its state

51. What does the re.search() function do?
52. a) Matches a pattern at the start of a string
53. b) Searches for a pattern anywhere in the string
54. c) Returns all matches in a string
55. d) None of the above

Answer: b) Searches for a pattern anywhere in the string

52. Which character is used to indicate zero or more occurrences in a regex pattern?
53. a) ?
54. b) *
55. c) +
56. d) $

Answer: b) *

53. What does the ^ character signify in regex?
54. a) Matches any character except a newline
55. b) Matches at the start of a string
56. c) Matches at the end of a string
57. d) Escapes a special character

Answer: b) Matches at the start of a string

54. How do you match a digit in regex?
55. a) \s
56. b) \d
57. c) \w
58. d) \D

Answer: b) \d

55. What is the output of the following regex?
    
    import re  

result = re.match(r”\d+”, “123abc”)  

print(result.group())  

1. a) 123
2. b) abc
3. c) Error
4. d) None

Answer: a) 123

Wrapping Up

Practicing Python MCQ questions is an excellent way to enhance your programming skills and prepare for exams or interviews. These questions cover a variety of topics, including data types, loops, functions, and advanced concepts like object-oriented programming. Regular practice with Python MCQ questions helps reinforce your understanding, identify knowledge gaps, and improve problem-solving abilities. Whether you’re a beginner or an experienced programmer, these questions provide valuable insights into Python’s core principles. Remember, consistency is key. Keep solving MCQs to stay sharp, build confidence, and excel in Python. The more you practice, the better prepared you’ll be for challenges.