100 Multiple Choice Questions & Answers on Python

Python is a versatile and widely-used programming language known for its simplicity and readability. Whether you’re a beginner or an experienced developer, testing your knowledge with multiple-choice questions is an effective way to reinforce concepts and expand your understanding of Python.

In this blog post, we present 100 multiple-choice questions and answers on Python, covering various aspects of the language, its syntax, features, and best practices. These questions are designed to test your comprehension of Python concepts and help you assess your proficiency in the language.

By going through these multiple-choice questions, you’ll have the opportunity to reinforce your knowledge of Python fundamentals, explore different areas of the language, and identify any gaps in your understanding. Whether you’re preparing for a job interview, a certification exam, or simply looking to challenge yourself, this collection of questions will serve as a valuable resource.

Question	Option A	Option B	Option C	Option D	Answer
1. Which of the following is NOT a valid Python data type?	int	float	boolean	string	boolean
2. What is the purpose of the len() function in Python?	To return the number of elements in an object or length of a string	To perform mathematical calculations	To define a loop construct	To compare two variables	To return the number of elements in an object or length of a string
3. Which of the following is used to define a function in Python?	def	function	define	func	def
4. What is the purpose of the import statement in Python?	To include a module and make its functions available	To declare a variable	To define a conditional statement	To exit a loop or switch statement	To include a module and make its functions available
5. Which operator is used for exponentiation in Python?	**	^	*	//	**
6. What is the purpose of the if statement in Python?	To execute a block of code based on a condition	To perform string concatenation	To define a loop construct	To compare two variables	To execute a block of code based on a condition
7. Which of the following is NOT a valid Python loop statement?	for	while	until	do-while	until
8. What is the purpose of the append() method in Python lists?	To add an element to the end of a list	To remove an element from a list	To sort the elements in a list	To reverse the order of elements in a list	To add an element to the end of a list
9. Which of the following is used to define a comment in Python?	#	//	/* */	<!-- -->	#
10. What is the purpose of the range() function in Python?	To generate a sequence of numbers	To perform mathematical calculations	To define a loop construct	To exit a loop or switch statement	To generate a sequence of numbers

Question	Option A	Option B	Option C	Option D	Answer
11. What is the purpose of the split() method in Python strings?	To split a string into a list of substrings based on a delimiter	To perform mathematical calculations	To define a loop construct	To compare two strings	To split a string into a list of substrings based on a delimiter
12. Which of the following is NOT a valid Python conditional statement?	if	else	case	elif	case
13. What is the purpose of the random module in Python?	To generate random numbers and perform related operations	To manipulate strings	To define a class	To import modules from external sources	To generate random numbers and perform related operations
14. Which keyword is used to exit a loop prematurely in Python?	break	continue	return	exit	break
15. What is the purpose of the open() function in Python?	To open a file and return a file object	To perform arithmetic calculations	To define a loop construct	To compare two variables	To open a file and return a file object
16. Which of the following is NOT a valid Python list method?	append()	insert()	delete()	remove()	delete()
17. What is the purpose of the try-except block in Python?	To handle exceptions and prevent program crashes	To concatenate strings	To define a loop construct	To compare two variables	To handle exceptions and prevent program crashes
18. Which operator is used for string concatenation in Python?	+	-	*	/	+
19. What is the purpose of the format() method in Python strings?	To format and insert values into placeholders within a string	To perform bitwise operations	To manage memory allocation for objects	To define a base class	To format and insert values into placeholders within a string
20. Which of the following is used to define an empty Python dictionary?	{}	()	[]	<>	{}

Question	Option A	Option B	Option C	Option D	Answer
21. What is the purpose of the set() function in Python?	To create an unordered collection of unique elements	To perform mathematical calculations	To define a loop construct	To compare two variables	To create an unordered collection of unique elements
22. Which of the following is NOT a valid Python comparison operator?	>	<	=	>=	=
23. What is the purpose of the strip() method in Python strings?	To remove leading and trailing whitespace from a string	To split a string into a list of substrings based on a delimiter	To define a loop construct	To compare two strings	To remove leading and trailing whitespace from a string
24. Which keyword is used to define a class in Python?	class	def	object	new	class
25. What is the purpose of the join() method in Python strings?	To concatenate elements of an iterable with a specified separator	To perform arithmetic calculations	To define a loop construct	To compare two variables	To concatenate elements of an iterable with a specified separator
26. Which of the following is NOT a valid Python numeric data type?	int	float	double	complex	double
27. What is the purpose of the with statement in Python?	To ensure proper resource cleanup by automatically closing files	To manipulate strings	To define a class	To import modules from external sources	To ensure proper resource cleanup by automatically closing files
28. Which operator is used for floor division in Python?	//	%	/	**	//
29. What is the purpose of the sys module in Python?	To provide access to system-specific parameters and functions	To perform bitwise operations	To manage memory allocation for objects	To define a base class	To provide access to system-specific parameters and functions
30. Which of the following is used to define a tuple in Python?	()	{}	[]	<>	()

Question	Option A	Option B	Option C	Option D	Answer
31. What is the purpose of the lambda keyword in Python?	To create anonymous functions	To perform mathematical calculations	To define a loop construct	To compare two variables	To create anonymous functions
32. Which of the following is NOT a valid Python string method?	upper()	lower()	capitalize()	reverse()	reverse()
33. What is the purpose of the self parameter in Python class methods?	To refer to the instance of the class	To perform type conversion	To define a loop construct	To compare two variables	To refer to the instance of the class
34. Which operator is used for membership testing in Python?	in	not	is	and	in
35. What is the purpose of the super() function in Python?	To call a method in the parent class	To concatenate strings	To define a loop construct	To compare two strings	To call a method in the parent class
36. Which of the following is used to define a constant in Python?	All uppercase letters with underscores separating words	All lowercase letters with underscores separating words	A combination of uppercase and lowercase letters	A single character	All uppercase letters with underscores separating words
37. What is the purpose of the os module in Python?	To provide a way of using operating system dependent functionality	To perform arithmetic calculations	To define a class	To import modules from external sources	To provide a way of using operating system dependent functionality
38. Which operator is used for logical AND in Python?	and	or	not	xor	and
39. What is the purpose of the map() function in Python?	To apply a function to each item in an iterable	To perform bitwise operations	To manage memory allocation for objects	To define a base class	To apply a function to each item in an iterable
40. Which of the following is used to define an empty Python set?	set()	{}	()	<>	set()

Question	Option A	Option B	Option C	Option D	Answer
41. What is the purpose of the enumerate() function in Python?	To iterate over a sequence while keeping track of the index	To perform mathematical calculations	To define a loop construct	To compare two variables	To iterate over a sequence while keeping track of the index
42. Which of the following is NOT a valid Python file mode?	open()	r	w	a	open()
43. What is the purpose of the format() function in Python?	To format a value with specified format specifiers	To perform arithmetic calculations	To define a loop construct	To compare two strings	To format a value with specified format specifiers
44. Which operator is used for logical OR in Python?	or	and	not	xor	or
45. What is the purpose of the replace() method in Python strings?	To replace occurrences of a substring with another substring	To split a string into a list of substrings based on a delimiter	To define a loop construct	To compare two variables	To replace occurrences of a substring with another substring
46. Which of the following is used to define a list comprehension in Python?	[expression for item in iterable]	{key: value for item in iterable}	(expression for item in iterable)	<expression> for item in iterable	[expression for item in iterable]
47. What is the purpose of the zip() function in Python?	To combine multiple iterables into a single iterable of tuples	To perform bitwise operations	To manage memory allocation for objects	To define a base class	To combine multiple iterables into a single iterable of tuples
48. Which operator is used for string repetition in Python?	*	+	-	/	*
49. What is the purpose of the sorted() function in Python?	To return a sorted version of a sequence or iterable	To perform arithmetic calculations	To define a loop construct	To compare two variables	To return a sorted version of a sequence or iterable
50. Which of the following is used to define a docstring in Python?	Triple quotes (""" """)	Single quotes (' ')	Double quotes (" ")	Square brackets ([ ])	Triple quotes (""" """)

Question	Option A	Option B	Option C	Option D	Answer
51. What is the purpose of the filter() function in Python?	To filter elements from an iterable based on a given condition	To perform mathematical calculations	To define a loop construct	To compare two variables	To filter elements from an iterable based on a given condition
52. Which of the following is NOT a valid Python data type?	boolean	string	integer	list	boolean
53. What is the purpose of the len() function in Python?	To return the length of an object	To manipulate strings	To define a class	To import modules from external sources	To return the length of an object
54. Which keyword is used to define a function in Python?	def	function	method	return	def
55. What is the purpose of the sorted() method in Python lists?	To return a new sorted list	To split a list into multiple sublists	To define a loop construct	To compare two lists	To return a new sorted list
56. Which of the following is NOT a valid Python string formatting method?	% operator	format() method	concatenation	f-strings	concatenation
57. What is the purpose of the import statement in Python?	To import modules or packages into a Python script	To perform bitwise operations	To manage memory allocation for objects	To define a base class	To import modules or packages into a Python script
58. Which operator is used for exponentiation in Python?	**	^	*	//	**
59. What is the purpose of the strip() method in Python lists?	To remove specified elements from a list	To split a list into multiple sublists	To define a loop construct	To compare two lists	To remove specified elements from a list
60. Which of the following is used to check if an element is present in a Python set?	in	not	is	and	in

Question	Option A	Option B	Option C	Option D	Answer
61. What is the purpose of the isinstance() function in Python?	To check if an object belongs to a specified class or its subclasses	To perform mathematical calculations	To define a loop construct	To compare two variables	To check if an object belongs to a specified class or its subclasses
62. Which of the following is NOT a valid Python control flow statement?	if	for	switch	while	switch
63. What is the purpose of the min() function in Python?	To return the minimum value from a sequence or a set of arguments	To manipulate strings	To define a class	To compare two variables	To return the minimum value from a sequence or a set of arguments
64. Which keyword is used to exit a loop in Python?	break	continue	return	exit	break
65. What is the purpose of the zip() function in Python?	To combine multiple iterables into a single iterable of tuples	To perform arithmetic calculations	To define a loop construct	To compare two strings	To combine multiple iterables into a single iterable of tuples
66. Which of the following is used to define a dictionary in Python?	{}	()	[]	<>	{}
67. What is the purpose of the datetime module in Python?	To work with dates and times	To perform bitwise operations	To manage memory allocation for objects	To define a base class	To work with dates and times
68. Which operator is used for string concatenation in Python?	+	-	*	/	+
69. What is the purpose of the random module in Python?	To generate random numbers and perform random selection	To perform string manipulations	To define a loop construct	To compare two lists	To generate random numbers and perform random selection
70. Which of the following is used to define a generator function in Python?	yield	return	def	generator	yield

Question	Option A	Option B	Option C	Option D	Answer
71. What is the purpose of the any() function in Python?	To check if any element in an iterable is true	To perform mathematical calculations	To define a loop construct	To compare two variables	To check if any element in an iterable is true
72. Which of the following is NOT a valid Python comparison operator?	<>	==	>	<=	<>
73. What is the purpose of the chr() function in Python?	To return a character from an ASCII value	To manipulate strings	To define a class	To import modules from external sources	To return a character from an ASCII value
74. Which keyword is used to define a variable in Python?	var	let	int	def	N/A (variables are not explicitly declared)
75. What is the purpose of the random.choice() function in Python?	To select a random element from a sequence	To split a string into a list of substrings based on a delimiter	To define a loop construct	To compare two variables	To select a random element from a sequence
76. Which of the following is used to convert a string to uppercase in Python?	upper()	lower()	capitalize()	casefold()	upper()
77. What is the purpose of the math module in Python?	To perform mathematical operations	To perform bitwise operations	To manage memory allocation for objects	To define a base class	To perform mathematical operations
78. Which operator is used for floor division in Python?	//	%	**	/	//
79. What is the purpose of the os.path module in Python?	To work with file paths and directories	To perform arithmetic calculations	To define a loop construct	To compare two strings	To work with file paths and directories
80. Which of the following is used to define a tuple in Python?	()	{}	[]	<>	()

Question	Option A	Option B	Option C	Option D	Answer
81. What is the purpose of the map() function in Python?	To apply a function to each element in an iterable	To perform string manipulations	To define a loop construct	To compare two lists	To apply a function to each element in an iterable
82. Which of the following is NOT a valid Python list method?	push()	append()	extend()	remove()	push()
83. What is the purpose of the str() function in Python?	To convert a value to a string	To perform mathematical calculations	To define a loop construct	To compare two variables	To convert a value to a string
84. Which keyword is used to handle exceptions in Python?	try	throw	catch	finally	try
85. What is the purpose of the split() method in Python strings?	To split a string into a list of substrings based on a delimiter	To combine two strings	To define a loop construct	To compare two variables	To split a string into a list of substrings based on a delimiter
86. Which of the following is used to define a tuple comprehension in Python?	(expression for item in iterable)	[expression for item in iterable]	{key: value for item in iterable}	<expression> for item in iterable	(expression for item in iterable)
87. What is the purpose of the time module in Python?	To work with time-related functions and values	To perform bitwise operations	To manage memory allocation for objects	To define a base class	To work with time-related functions and values
88. Which operator is used for string concatenation in Python?	+	-	*	/	+
89. What is the purpose of the sys module in Python?	To provide access to system-specific parameters and functions	To perform arithmetic calculations	To define a loop construct	To compare two variables	To provide access to system-specific parameters and functions
90. Which of the following is used to define a set in Python?	{}	()	[]	<>	{}

Question	Option A	Option B	Option C	Option D	Answer
91. What is the purpose of the eval() function in Python?	To evaluate a string as a Python expression	To perform mathematical calculations	To define a loop construct	To compare two variables	To evaluate a string as a Python expression
92. Which of the following is NOT a valid Python string method?	replace()	lower()	split()	append()	append()
93. What is the purpose of the ord() function in Python?	To return the Unicode code point of a character	To manipulate strings	To define a class	To import modules from external sources	To return the Unicode code point of a character
94. Which keyword is used to define a class in Python?	class	struct	object	instance	class
95. What is the purpose of the json module in Python?	To work with JSON data	To perform string manipulations	To manage memory allocation for objects	To define a base class	To work with JSON data
96. Which of the following is used to convert a string to lowercase in Python?	lower()	upper()	capitalize()	casefold()	lower()
97. What is the purpose of the logging module in Python?	To provide a flexible and powerful logging system	To perform bitwise operations	To handle file operations	To define a base class	To provide a flexible and powerful logging system
98. Which operator is used for exponentiation in Python?	**	^	*	/	**
99. What is the purpose of the zip() function in Python?	To combine multiple iterables into a single iterable of tuples	To perform arithmetic calculations	To define a loop construct	To compare two strings	To combine multiple iterables into a single iterable of tuples
100. Which of the following is used to check if a key exists in a Python dictionary?	in	not	is	and	in