Top 100 Python Interview Questions


Top 100 Python Interview Questions

Python Certification is the most sought-after skill in programming domain. In this Python Interview Questions blog, We have 100+ questions on Python Programming basics which will help you with different expertise levels to reap the maximum benefit from our blog.

These 100 questions cover all important topics at different levels, get the best from this blog and ace your interview.

Good Luck with your preparation! ☺

Python Basic Level Interview Questions and Answers

Q1. What is the difference between list and tuples in Python?

Q2. What are the key features of Python?

Q3. What type of language is python? Programming or scripting?

Q4. How is Python an interpreted language?

Q5. What is pep 8?

Q6. How is memory managed in Python?

Q7. What is namespace in Python?


Q9. What are python modules? Name some commonly used built-in modules in Python?

Q10. What are local variables and global variables in Python?

Q11. Is python case sensitive?

Q12.What is type conversion in Python?

Q13. How to install Python on Windows and set path variable?

Q14. Is indentation required in python?

Q15. What is the difference between Python Arrays and lists?

Q16. What are functions in Python?

Q17. What is __init__?

Q18.What is a lambda function?

Q19. What is self in Python?

Q20. How does break, continue and pass work?

Q21. What does [::-1} do?

Q22. How can you randomize the items of a list in place in Python?

Q23. What are python iterators?

Q24. How can you generate random numbers in Python?

Q25. What is the difference between range & xrange?

Q26. How do you write comments in python?

Q27. What is pickling and unpickling?

Q28. What are the generators in python?

Q29. How will you capitalize the first letter of string?

Q30. How will you convert a string to all lowercase?

Q31. How to comment multiple lines in python?

Q32.What are docstrings in Python?

Q33. What is the purpose of is, not and in operators?

Q34. What is the usage of help() and dir() function in Python?

Q35. Whenever Python exits, why isn’t all the memory de-allocated?

Q36. What is a dictionary in Python?

Q37. How can the ternary operators be used in python?

Q38. What does this mean: *args, **kwargs? And why would we use it?

Q39. What does len() do?

Q40. Explain split(), sub(), subn() methods of “re” module in Python.

Q41. What are negative indexes and why are they used?

Q42. What are Python packages?

Q43.How can files be deleted in Python?

Q44. What are the built-in types of python?

Q45. What advantages do NumPy arrays offer over (nested) Python lists?

Q46. How to add values to a python array?

Q47. How to remove values to a python array?

Q48. Does Python have OOps concepts?

Q49. What is the difference between deep and shallow copy?

Q50. How is Multithreading achieved in Python?

Q51. What is the process of compilation and linking in python?

Q52. What are Python libraries? Name a few of them.

Q53. What is split used for?

Q54. How to import modules in python?

Q55. Explain Inheritance in Python with an example.

Q56. How are classes created in Python? 

Q57. What is monkey patching in Python?

Q58. Does python support multiple inheritance?

Q59. What is Polymorphism in Python?

Q60. Define encapsulation in Python?

Q61. How do you do data abstraction in Python?

Q62.Does python make use of access specifiers?

Q63. How to create an empty class in Python? 

Q64. What does an object() do?

Q65. Write a program in Python to execute the Bubble sort algorithm.

Q66. Write a program in Python to produce Star triangle.

Q67. Write a program to produce Fibonacci series in Python.

Q68. Write a program in Python to check if a number is prime.

Q69. Write a program in Python to check if a sequence is a Palindrome.

Q70. Write a one-liner that will count the number of capital letters in a file. Your code should work even if the file is too big to fit in memory.

Q71. Write a sorting algorithm for a numerical dataset in Python.

Q72. Looking at the below code, write down the final values of A0, A1, …An.

Q73. Explain what Flask is and its benefits?

Q74. Is Django better than Flask?

Q75. Mention the differences between Django, Pyramid and Flask.

Q76. Discuss Django architecture.

Q77. Explain how you can set up the Database in Django.

Q78. Give an example how you can write a VIEW in Django?

Q79. Mention what the Django templates consist of.

Q80. Explain the use of session in Django framework?

Q81.  List out the inheritance styles in Django.

Q82. How To Save An Image Locally Using Python Whose URL Address I Already Know?

Q83. How can you Get the Google cache age of any URL or web page?

Q84. You are required to scrap data from IMDb top 250 movies page. It should only have fields movie name, year, and rating.

Q85. What is map function in Python?

Q86. Is python numpy better than lists?

Q87. How to get indices of N maximum values in a NumPy array?

Q88. How do you calculate percentiles with Python/ NumPy?

Q89. What is the difference between NumPy and SciPy?

Q90. How do you make 3D plots/visualizations using NumPy/SciPy?

Q91. How do you check whether the two variables are pointing to the same object in Python?

Q92. How do you programmatically know the version of Python you are using?

Q93. How do you find the number of references pointing to a particular object?

Q94. What is the difference between range() and xrange() functions in Python?

Q95. What are the generator functions in Python?

Q96. What is a module in Python?

Q97. When do you choose a list over a tuple?

 Q98. How do you merge one dictionary with the other?

Q99. How Python supports encapsulation with respect to functions?

Q100. What mode is used for both writing and reading in binary format in file.?