Trending September 2023 # Top 25 Python Interview Questions And Answers For 2023 # Suggested October 2023 # Top 17 Popular |

Trending September 2023 # Top 25 Python Interview Questions And Answers For 2023 # Suggested October 2023 # Top 17 Popular

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Introduction to Python Interview Questions And Answers

Python is an object-oriented high-level language. It is an interpreter-based programming language, interactive and object-oriented scripting language. It supports methods such as functional and structured as well as OOP. Python is a set of libraries of open-source data analysis tools, web frameworks, and testing instruments. It also features consistency, stability, and easiness of use. So if you have finally found your dream job in Python but are wondering how to crack the Python Interview and what the 2023 probable Python Interview Questions could be. Every interview is different, and the job scope is different too. Keeping this in mind, we have designed the most common Python Interview Questions and Answers to help you get success in your interview.

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Below are the top 2023 Python Interview Questions and Answers. These interview questions are divided into two parts:

Part 1 – Python Interview Questions (Basic)

This first part covers basic Python interview questions and answers.

1. What is Python, and name some key features of it?

Answer :

Python is an interpreter-based programming language, interactive and object-oriented scripting language. Python is designed to be highly readable.

It is an interpreter-based language which means that, unlike other languages like C and variants, the compilation doesn’t require before running.

It’s dynamically typed, which means you need not define the data types of the declared variables or anything like that.

Functions are first-class objects in Python.

Python can be used for cross-platform web apps, scientific models, big data applications, and many more.

2. Differentiate between tuples and lists in Python?


The major difference is tuples are immutable, while a list is mutable. It means once you create a tuple, you cannot edit or change the value in a tuple, while in a list, we can edit the value in it.

Tuples  List

A tuple is a sequence of immutable objects List are versatile datatype that is Mutable

The syntax for Tuples is shown by parenthesis {} Square brackets indicate the syntax for list []

They are of fixed length The list can be of variable length

Eg: tup_1 = { 10,’ john’,5} Eg: list_1 = [10, ‘john’, 5]

3. What are the types of Operators used in Python?


The types of operators which Python uses are listed below:

Arithmetic Operators:

Operator Name Description

+ Add It adds value.

– Subtract It Subtracts the right-hand value from the left-side value.

* Multiply It multiplies.

/ Divide It divides the left-hand value by the right-side value.

% Module It divides the left-hand side operand by the right-hand side operand and gives back the remainder.

** Exponent Performs exponential calculation on values.

Relational Operators:

Operator Description

== If the two values are equal, then the condition becomes true.

!= If the values of two operands are not equal, then the condition is true.

If two values are not equal, then the condition is true.

> The condition is true if the left operand is greater than the right operand.

< If the left operand is less than the right operand, then it’s true.

>= If the left operand is greater than or equal to the right operand, then it’s true.

<= The condition is true if the left operand is less than or equal to the right operand.

Assignment Operators:

Operator Name








4. What will the maximum length of an identifier be?


Specifics no certain length for Identifier; Identifier can be of any length.

5. What do you mean by Decorators?


We use Decorators in Python to modify or inject code in functions or classes. With the help of decorators, we can check for permissions and for logging the calls.

6. What do you mean by the dictionary in Python?


The built-in data type of Python is known as a dictionary. E.g. “Country”.

7. Explain Memory Management in Python?


Python memory management is done by Python private heap space. All the objects and data structures of pythons are in a private heap.

8. Explain Python in one Line?


9. Explain the Interpretation in Python?


Programs in Python run directly from the source code.

10. Explain the rules for local and global variables in Python?

Global variable: If the variable is defined outside the function, it is Global.

Local Variable: If a variable is assigned a new value inside the function, it is local.

11. How to share global variables in Python?


Creating a config file and storing the global variable to be shared across modules.

12. How to pass optional or keyword parameters from one function to another in Python?


We can arrange arguments using the * and ** specifiers in the function’s parameter list.

Part 2 – Python Interview Questions (Advanced) 13. What are the different types of sequences in Python?


Different types of sequences in Python are Strings, Unicode strings, lists, tuples, buffers, and xrange objects.

14. What is Lambda form in Python?


The lambda keyword is used to create small random anonymous throw-away functions.

15. What is Pickling in Python?


Pickle is a standard module that serializes and de-serializes a Python object structure.

16. How can an object be copied in Python?


Objects can be copied in Python using two ways: Shallow copy & Deep copy.

17. How do I convert a string to a number?


18. Describe how to send an email from a Python Script?


The smtplib module defines an SMTP client session object that can be used to send emails using Pythons Script.

19. What is the command used for exiting the help command prompt?


The command name is “quit.”

20.What does the split(), sub() and subn() methods do?


Split(): It uses a regex pattern to split any given string into a created list.

Sub(): It will find all the substrings where this regex pattern will match and then replace the string.

Subn(): It is similar to a sub(); it will return the new string along with the other no. of replacements.

21. Mention how to display the files’ text contents in reverse order?


First, convert the file into the list and reverse this list by utilizing reversed ().

22. What are ODBS modules for Python?


PythonWin ODBC module



23. What will append() and extend methods do?


append(): Adds the element at the end.

extend(): Adds the elements of a different list at the end.

24. What is TKIner?


The Tklner is the library of Python. It is one of the toolkits for developing the GUI.

25. What is the difference between Java and Python?


Java has a static data type, while Python has a dynamic-typed one.

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