Practice test for Python

1. What is the output of the following code: `print(type(5))`?

(a) <class 'int'> (b) <type 'int'> (c) int (d) None of the above

ANS : (a) The output will be <class 'int'> because 5 is an integer.

2. Which of the following is a valid way to declare a list in Python?

(a) list = [] (b) list = list() (c) Both a and b (d) None of the above

ANS : (c) Both list = [] and list = list() are valid ways to declare a list in Python.

3. What is the output of the following code: `print(2 ** 3)`?

(a) 6 (b) 8 (c) 9 (d) None of the above

ANS : (b) The output will be 8 because 2 ** 3 means 2 raised to the power of 3.

4. Which of the following is used to define a function in Python?

(a) function myFunction(): (b) def myFunction(): (c) create myFunction(): (d) None of the above

ANS : (b) The correct way to define a function in Python is def myFunction():.

5. What is the output of the following code: `print("Hello" + " World")`?

(a) Hello World (b) HelloWorld (c) "Hello World" (d) None of the above

ANS : (b) The output will be HelloWorld because there is no space between the two strings.

6. Which of the following is the correct way to create a dictionary in Python?

(a) dict = {} (b) dict = dict() (c) Both a and b (d) None of the above

ANS : (c) Both dict = {} and dict = dict() are valid ways to create a dictionary in Python.

7. What is the output of the following code: `print(10 // 3)`?

(a) 3.33 (b) 3 (c) 4 (d) None of the above

ANS : (b) The output will be 3 because // is the floor division operator in Python.

8. Which of the following is used to handle exceptions in Python?

(a) try-except (b) catch (c) handle (d) None of the above

9. What is the output of the following code: `print(len("Hello"))`?

(a) 5 (b) 4 (c) 6 (d) None of the above

10. Which of the following is the correct way to import a module in Python?

(a) import module_name (b) include module_name (c) require module_name (d) None of the above

ANS : (a) The correct way to import a module in Python is import module_name.

11. What is the output of the following code: `print(3 * 'A')`?

(a) AAA (b) A3 (c) 3A (d) None of the above

12. Which of the following is used to read input from the user in Python?

(a) input() (b) read() (c) scan() (d) None of the above

ANS : (a) The correct function to read input from the user in Python is input().

13. What is the output of the following code: `print(2 + 3 * 4)`?

(a) 20 (b) 14 (c) 10 (d) None of the above

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

(a) List (b) Tuple (c) String (d) None of the above

15. What is the output of the following code: `print("Python"[0])`?

(a) P (b) python (c) y (d) None of the above

16. Which of the following is the correct way to create a class in Python?

(a) class MyClass: (b) MyClass class: (c) create class MyClass: (d) None of the above

ANS : (a) The correct way to create a class in Python is class MyClass:.

17. What is the output of the following code: `print(1, 2, 3, sep='-')`?

(a) 1-2-3 (b) 123 (c) 1 2 3 (d) None of the above

ANS : (a) The output will be 1-2-3 because the sep parameter specifies the separator.

18. Which of the following is used to create a virtual environment in Python?

(a) virtualenv (b) venv (c) Both a and b (d) None of the above

ANS : (c) Both virtualenv and venv can be used to create a virtual environment in Python.

19. What is the output of the following code: `print([1, 2, 3] + [4, 5, 6])`?

(a) [1, 2, 3, 4, 5, 6] (b) [1, 2, 3][4, 5, 6] (c) [1, 2, 3, 4, 5] (d) None of the above

20. Which of the following is the correct way to handle exceptions in Python?

(a) try-except (b) catch (c) handle (d) None of the above

ANS : (a) The correct way to handle exceptions in Python is using the try-except block.

21. What is the output of: `len("Python")`?

(a) 5 (b) 6 (c) 7 (d) Error

ANS : (b) The len() function returns the number of characters, which is 6 in this case.

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

(a) tuple (b) list (c) str (d) int

23. What is the output of: `type({})`?

(a) list (b) set (c) dict (d) tuple

ANS : (c) An empty pair of curly braces {} represents a dictionary.

24. What does the `range(5)` function return?

(a) [1, 2, 3, 4, 5] (b) [0, 1, 2, 3, 4] (c) [0, 1, 2, 3, 4, 5] (d) None of the above

ANS : (b) range(5) generates numbers from 0 to 4.

25. What is the keyword used to define a function in Python?

(a) func (b) def (c) define (d) function

ANS : (b) The def keyword is used to define functions in Python.

26. Which method is used to convert a string into lowercase in Python?

(a) lower() (b) lowercase() (c) tolower() (d) make_lower()

ANS : (a) The lower() method converts a string into lowercase.

27. What is the output of: `bool(0)`?

(a) True (b) False (c) 0 (d) None

ANS : (b) In Python, bool(0) evaluates to False.

28. Which of the following is not a keyword in Python?

(a) pass (b) eval (c) raise (d) lambda

ANS : (b) eval is a built-in function, not a keyword.

29. Which of the following is used to comment a single line in Python?

(a) // (b) # (c) -- (d) %

ANS : (b) Python uses the # symbol for single-line comments.

30. What does the `strip()` method do in Python?

(a) Removes whitespace from the beginning only (b) Removes whitespace from the end only (c) Removes whitespace from both ends (d) Replaces whitespace with dashes

ANS : (c) The strip() method removes whitespace from both ends of a string.

31. What will be the result of `3 ** 2` in Python?

(a) 6 (b) 9 (c) 8 (d) 5

ANS : (b) ** is the exponentiation operator. So, 3 ** 2 = 9.

32. Which of the following data types is not ordered?

(a) list (b) tuple (c) set (d) string

33. What does the `pop()` method do in a list?

(a) Adds an element (b) Removes and returns the last element (c) Sorts the list (d) Reverses the list

ANS : (b) The pop() method removes and returns the last item in a list.

34. What keyword is used to create a class in Python?

(a) define (b) struct (c) class (d) object

ANS : (c) The class keyword is used to define a class in Python.

35. Which method adds an element at the end of a list?

(a) insert() (b) append() (c) extend() (d) add()

ANS : (b) The append() method adds an element at the end of a list.

36. What is the default return value of a function that does not return anything?

(a) 0 (b) False (c) None (d) ''

ANS : (c) If a function does not explicitly return a value, it returns None by default.

37. Which function converts a string to an integer in Python?

(a) int() (b) str() (c) float() (d) char()

ANS : (a) The int() function converts a string or number to an integer.

38. What symbol is used for floor division in Python?

(a) / (b) // (c) % (d) **

ANS : (b) // is used for floor division in Python.

39. Which keyword is used to begin a loop in Python?

(a) iterate (b) loop (c) for (d) repeat

ANS : (c) for is the keyword used to begin a loop in Python.

40. What is the output of `10 % 3`?

(a) 3 (b) 1 (c) 10 (d) 0

ANS : (b) The % operator returns the remainder, which is 1 in this case.

41. Which of these is not a core data type in Python?

(a) Dictionary (b) Tuples (c) Class (d) List

42. What does the `len()` function do?

(a) Returns the type of a variable (b) Returns the size of an object (c) Returns the length of an object (d) None of the above

ANS : (c) len() returns the number of items in an object.

43. Which function is used to get input from the user?

(a) enter() (b) input() (c) scanf() (d) read()

ANS : (b) input() is used to take input from the user in Python.

44. What is the output of `bool(0)`?

(a) True (b) False (c) 0 (d) Error

ANS : (b) bool(0) returns False because 0 is considered False in Python.

45. Which of the following is used to define a function in Python?

(a) def (b) function (c) func (d) define

ANS : (a) The def keyword is used to define a function.

46. What will be the output of `type([])`?

(a) <class 'dict'> (b) <class 'tuple'> (c) <class 'list'> (d) <class 'set'>

ANS : (c) [] denotes a list in Python, so type([]) returns <class 'list'>.

47. Which loop is guaranteed to run at least once?

(a) for loop (b) while loop (c) do-while loop (d) None

48. What will be the result of `'a' + 'b'`?

(a) ab (b) a+b (c) Error (d) None

ANS : (a) The + operator concatenates strings, so 'a' + 'b' = 'ab'.

49. Which method is used to convert a string to lowercase?

(a) lower() (b) down() (c) min() (d) case()

ANS : (a) lower() is used to convert a string to all lowercase letters.

50. Which keyword is used to import a module in Python?

(a) using (b) include (c) import (d) use

ANS : (c) The import keyword is used to include external modules in Python.

Practice Questions For

Python MCQ

1. What is the output of the following code: print(type(5))?

2. Which of the following is a valid way to declare a list in Python?

3. What is the output of the following code: print(2 ** 3)?

4. Which of the following is used to define a function in Python?

5. What is the output of the following code: print("Hello" + " World")?

6. Which of the following is the correct way to create a dictionary in Python?

7. What is the output of the following code: print(10 // 3)?

8. Which of the following is used to handle exceptions in Python?

9. What is the output of the following code: print(len("Hello"))?

10. Which of the following is the correct way to import a module in Python?

11. What is the output of the following code: print(3 * 'A')?

12. Which of the following is used to read input from the user in Python?

13. What is the output of the following code: print(2 + 3 * 4)?

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

15. What is the output of the following code: print("Python"[0])?

16. Which of the following is the correct way to create a class in Python?

17. What is the output of the following code: print(1, 2, 3, sep='-')?

18. Which of the following is used to create a virtual environment in Python?

19. What is the output of the following code: print([1, 2, 3] + [4, 5, 6])?

20. Which of the following is the correct way to handle exceptions in Python?

21. What is the output of: len("Python")?

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

23. What is the output of: type({})?

24. What does the range(5) function return?

25. What is the keyword used to define a function in Python?

26. Which method is used to convert a string into lowercase in Python?

27. What is the output of: bool(0)?

28. Which of the following is not a keyword in Python?

29. Which of the following is used to comment a single line in Python?

30. What does the strip() method do in Python?

31. What will be the result of 3 ** 2 in Python?

32. Which of the following data types is not ordered?

33. What does the pop() method do in a list?

34. What keyword is used to create a class in Python?

35. Which method adds an element at the end of a list?

36. What is the default return value of a function that does not return anything?

37. Which function converts a string to an integer in Python?

38. What symbol is used for floor division in Python?

39. Which keyword is used to begin a loop in Python?

40. What is the output of 10 % 3?

41. Which of these is not a core data type in Python?

42. What does the len() function do?

43. Which function is used to get input from the user?

44. What is the output of bool(0)?

45. Which of the following is used to define a function in Python?

46. What will be the output of type([])?

47. Which loop is guaranteed to run at least once?

48. What will be the result of 'a' + 'b'?

49. Which method is used to convert a string to lowercase?

50. Which keyword is used to import a module in Python?

Python Short Questions

1. What is Python?

2. What are the main features of Python?

3. What is a variable in Python?

4. What are the different data types in Python?

5. What is a list in Python?

6. What are the different types of loops in Python?

7. What is a function in Python?

8. What is a lambda function in Python?

9. What is the difference between a list and a tuple in Python?

10. What is the difference between ‘is’ and ‘==’ in Python?

11. What are Python’s key features?

12. What is PEP 8?

13. What are Python decorators?

14. What is the purpose of the “with” statement?

15. What are *args and **kwargs in Python?

16. Explain Python’s memory management.

17. What is the difference between deep copy and shallow copy?

18. What are Python modules and packages?

19. What is the difference between Python 2 and Python 3?

20. Explain the use of the Python pass statement.

21. What is the difference between range() and xrange()?

22. What are Python iterators?

23. What are Python generators?

24. What is the use of the yield keyword in Python?

25. What is the purpose of the Python __init__.py file?

26. What are Python comprehensions?

27. What is monkey patching in Python?