Python programming language is amongst the top ones with its dynamic binding and high-level data structures. Its interpreted and object-oriented programming approach makes it easy to read and write, making it go to for each level of individuals. With all these features, many individuals want to build a career with this programming language.
If you are preparing for technical interviews, practicing Python MCQs is one of the best ways to test your knowledge. These questions cover topics such as Python functions, data types, file handling, exception handling, and object-oriented programming.
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1. Who built the Python programming language?
2. Which of the following is the type of Python?
3. Keywords in Python are ______.
4. Which of the following can define a code block in Python programming?
5. Which of the following functions will you use to check the Python version?
6. Which of the following is the full form of pip?
7. Which of the following is a built-in function of the Python programming language?
8. Which of the following can not be called a core data type of Python?
9. Which of the following can not be used as a keyword of the Python programming language?
10. Which of the following operators can not be used in strings?
11. Which of the following is the maximum size of a Python identifier?
12. Which of the following loops are not supported in the Python programming language?
13. Which of the following is the correct way to declare a variable in Python?
14. What is the perfect way to use a comment in the Python programming language?
15. Choose the wrong data types from the following.
16. Which operator should be used to concatenate two strings?
17. Which operator can be used to check data type in Python programming?
18. Why use input functions in Python?
19. Which of the following is used to convert a string to integer?
20. How to skip the next iteration from a loop?
21. What will be the output of the following code?
print(4 + 3 % 5) |
22. What will be the output of the following code?
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i = 1 while True: if i%3 == 0: break print(i) i + = 1 |
23. What will be the output of the following code?
x << 2 |
24. What will be the output of the following code?
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print(2**(3**2)) print((2**3)**2) print(2**3**2) |
25. What will be the output of the following code?
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l=[1, 0, 2, 0, 'hello', '', []] print(list(filter(bool, l))) |
26. What will be the output of the following code?
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for i in [1, 2, 3, 4][::-1]: print(i, end=' ') |
27. What will be the output of the following code? (This question checks your understanding of Python classes and objects.)
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class tester: def __init__(self, id): self.id = str(id) id = "224" temp = tester(12) print(temp.id) |
28. What will be the output of the following code?
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list1 = [1, 3] list2 = list1 list1[0] = 4 print(list2) |
29. What will be the output of the following code?
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a = "4, 5" nums = a.split(',') x, y = nums int_prod = int(x) * int(y) print(int_prod) |
30. What will be the output of the following code?
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x = 5 if x == 5: print("Five") elif x > 3: print("Greater than three") else: print("Less than five") |
31. Which of the following methods is used to define a function in the Python programming language?
32. How to invoke a function with a default argument in Python?
33. How to define the length in Python?
34. Which of the following is used to return a value from a function?
35. Which of the following is used to add an element to a list?
36. Which of the following is an ordered collection?
37. How to open a file in the Python programming language?
38. Which of the following modes is apt for opening a Python file for writing?
39. How to manage an exception in Python programming?
40. Which of the following is used to close a file in Python?
41. What will be the output of the following code?
[i**2 for i in range(5)] |
42. What will be the output of the following code?
def tester(**kwargs): |
43. What will be the output of the following code?
print("Hello {0[0]} and {0[1]}".format(('foo', 'bin'))) |
44. What will be the output of the following code?
x = [[0], [1]] |
45. What will be the output of the following code?
def foo(): |
46. What will be the output of the following code?
x = 'abcd' |
47. What will be the output of the following code?
def addItem(listParam): |
48. What will be the output of the following code?
try: |
49. What will be the output of the following code?
def multiply(a, b=5): |
50. What will be the output of the following code?
def subtract(a, b=2): |
51. What is the purpose of the 'lambda' keyword in Python?
52. What will be the output of the following code?
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d = {'a': 1, 'b': 2} print(d.get('c', 3)) |
53. Which of the following is true about tuples in Python?
54. What will be the output of the following code?
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s = "python" print(s[1:4]) |
55. What is the purpose of the global keyword in Python?
56. What will be the output of the following code?
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nums = [1, 2, 3] nums.append(nums[:]) print(nums) |
57. Which of the following is used to create a set in Python?
58. What will be the output of the following code?
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x = [1, 2, 3] y = x y[0] = 4 print(x) |
59. Which of the following is true about the 'with' statement in Python?
60. What will be the output of the following code?
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def func(x, y=2): return x + y print(func(3)) |
61. What is the purpose of the 'yield' keyword in Python?
62. What will be the output of the following code?
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print(3 * 'ab') |
63. Which of the following is not a valid way to create a dictionary in Python?
64. What will be the output of the following code?
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lst = [1, 2, 3] lst.pop() print(lst) |
65. What is the purpose of the 'is' operator in Python?
66. What will be the output of the following code?
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x = 10 def func(): global x x = 20 func() print(x) |
67. Which of the following is true about list comprehension in Python?
68. What will be the output of the following code?
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s = {1, 2, 2, 3} print(len(s)) |
69. What is the purpose of the 'super()' function in Python?
70. What will be the output of the following code?
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try: print(1/0) except Exception as e: print(type(e).__name__) |
71. What is the main purpose of a virtual environment in Python?
72. Which command is used to create a virtual environment in Python?
73. What does the async keyword indicate in Python?
74. Which keyword is used to pause execution inside an async function?
75. Which Python library is widely used for numerical computing?
76. Which library is commonly used for data manipulation and analysis?
77. What does PEP stand for in Python?
78. Which PEP defines the official style guide for Python code?
79. What is a decorator in Python?
80. Which symbol is used to apply a decorator?
81. What is the output of the following code?
| print(type(lambda x: x)) |
82. Which module is commonly used for HTTP requests in Python?
83. Which framework is widely used for building Python web applications?
84. Which lightweight Python web framework is commonly used for APIs?
85. Which Python feature allows functions to return multiple values?
86. What is the purpose of the __name__ variable in Python?
87. Which Python tool is commonly used for dependency management?
88. Which file is commonly used to list Python project dependencies?
89. What is the purpose of list slicing?
90. What is the time complexity of accessing an element in a Python list by index?
91. Which Python library is commonly used for machine learning?
92. Which Python library is widely used for deep learning?
93. Which Python library is commonly used for data visualization?
94. What does the Zen of Python emphasize?
95. Which command displays the Zen of Python?
96. Which Python tool is commonly used for testing?
97. Which data structure uses key-value pairs?
98. Which operator checks membership in Python?
99. Which keyword is used to import a module?
100. What will be the output of the following code?
| print(bool([])) |
101. Which Python feature allows lazy iteration over large datasets?
102. Which Python library is commonly used for data analysis and manipulation?
103. Which Python library is widely used for machine learning?
104. Which keyword is used to handle exceptions in Python?
105. Which Python function is used to read user input?
106. Which Python framework is popular for web development?
107. Which library is commonly used for deep learning in Python?
108. What is the output type of the range() function in Python 3?
109. Which keyword is used to create anonymous functions in Python?
110. Which data structure stores key-value pairs in Python?
111. Which Python library is mainly used for numerical computing?
112. Which statement is used to stop a loop completely?
113. Which library is commonly used for Python data visualization?
114. Which Python module is commonly used to work with files and directories?
115. You want to remove duplicate values automatically from a collection. Which data type should you use?
116. Which command is used to install external Python packages?
117. Which Python feature allows functions to return multiple values lazily one at a time?
118. Which Python keyword is used for defining a function?
119. Which concept allows one class to acquire properties from another class?
120. You want to automate browser actions and testing using Python. Which library is commonly used?
121. Which built-in Python function returns an iterator by applying a function to every item in an iterable?
122. Which keyword is used to create a custom exception manually in Python?
123. What will be the output of the following code?
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x = [10, 20, 30, 40] print(x[-2]) |
124. Which method removes and returns an element from a Python dictionary using a specified key?
125. What will be the output of the following code?
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print(len("Python")) |
126. Which special method is commonly used to initialize a newly created object in a Python class?
127. Which function can be used to combine multiple iterables element by element?
128. What will be the output of the following code?
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print(10 // 3) |
129. Which Python module provides functions for working with dates and times?
130. Which statement immediately terminates the execution of a loop in Python?
131. What will be the output of the following code?
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numbers = [1, 2, 3] print(sum(numbers)) |
132. Which built-in function returns both the index and value while iterating over a sequence?
133. Which keyword is used to access a variable from the nearest enclosing non-global scope?
134. What will be the output of the following code?
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print("Python".upper()) |
135. Which function checks whether an object is an instance of a specified class or type?
136. Which module in Python's standard library is commonly used to work with JSON data?
137. What will be the output of the following code?
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a = {1, 2, 3} b = {3, 4, 5} print(a & b) |
138. Which keyword is used to create a class in Python?
139. Which method adds all elements from another iterable to the end of a Python list?
140. What will be the output of the following code?
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x = "hello" print(x[::-1]) |
141. Which function returns the largest item in an iterable?
142. What is the primary purpose of the pass statement in Python?
143. What will be the output of the following code?
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print(list(range(1, 5))) |
144. Which method returns all keys from a Python dictionary?
145. Which Python module is commonly used for pattern matching with regular expressions?
146. What will be the output of the following code?
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x = [1, 2, 3] print(x * 2) |
147. You need to process a very large file without loading the entire file into memory. Which approach is most appropriate?
148. You want to ensure that a file is automatically closed even if an error occurs while processing it. Which approach should you use?
149. You need to run several I/O-bound operations concurrently in a Python application. Which approach is particularly suitable?
150. A Python function needs to accept any number of keyword arguments. Which syntax should you use?
151. Which Python version officially introduced the type statement for creating type aliases?
152. What is the primary purpose of Python's match-case statement?
153. Which built-in module is recommended for working with filesystem paths in modern Python?
154. Which keyword is used to define an asynchronous function?
155. Which keyword pauses execution until an asynchronous task completes?
156. Which library is widely used to build modern Python REST APIs?
157. Which library is commonly used by FastAPI for request validation?
158. Which module was introduced for reading TOML configuration files?
159. Which file defines project dependencies in modern Python projects?
160. Which Python feature is primarily used to improve static type checking?
161. Which keyword creates a context manager?
162. Which library is becoming a popular high-performance alternative to Pandas?
163. Which embedded analytical database has become popular in Python data engineering?
164. Which package manager has gained popularity for extremely fast dependency installation?
165. Which linter/formatter has become a popular replacement for combining Flake8, isort, and Black in many Python projects?
166. Which Python module introduced in Python 3.9 provides support for IANA time zones?
167. Which feature introduced in Python 3.11 allows multiple unrelated exceptions to be raised together?
168. Which module is commonly used to run CPU-intensive tasks in parallel?
169. What is the primary limitation imposed by Python's Global Interpreter Lock (GIL)?
170. Which Python library is widely used for building Large Language Model (LLM) applications?
171. Which library is primarily used for downloading and using pre-trained transformer models?
172. Which tool is commonly used to create isolated Python environments?
173. Which function measures the execution time of a code block with high precision?
174. Which decorator caches function results to improve performance?
175. Which library is commonly used for asynchronous HTTP requests in Python?
176. Which built-in module is commonly used to serialize Python objects into JSON?
177. Which Python feature is primarily used to reduce memory usage when processing large datasets?
178. Which library is increasingly used for distributed data processing with a Pandas-like API?
179. Which Python library is the standard choice for creating machine learning pipelines?
180. Which statement best describes why Python remains popular for AI and automation in 2026?
181. Which Python feature is primarily used to define lightweight classes without writing boilerplate code?
182. Which keyword is used to create a generator function in Python?
183. Which built-in function is commonly used to measure the memory size of an object?
184. Which library is commonly used to interact with OpenAI models in Python applications?
185. Which Python operator is used to assign a value within an expression?
186. Which database toolkit is most commonly used as the ORM in Python web applications?
187. Which library is widely used for browser automation and end-to-end testing in modern Python projects?
188. Which testing framework is the most popular choice for Python projects today?
189. Which feature enables Python code to automatically format according to a consistent style?
190. Which statement best explains why Python remains one of the most popular programming languages in 2026?
191. In Python, which approach is recommended for managing project dependencies in modern applications?
192. Which Python feature is commonly used to execute cleanup code regardless of whether an exception occurs?
193. Which Python library is commonly used to build Retrieval-Augmented Generation (RAG) applications?
194. Which Python feature helps improve code readability by explicitly specifying expected parameter and return types?
195. Which built-in module allows Python programs to parse command-line arguments efficiently?
196. Which Python library is widely used for distributed task queues?
197. Which data validation library is the default choice for FastAPI models?
198. Which Python implementation is primarily written in Java and runs on the JVM?
199. A Python application is handling thousands of I/O-bound API requests simultaneously. Which approach is generally the most efficient?
200. Which of the following best reflects modern Python development in 2026?
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