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Senior Python Developer Interview Questions

Companies are willing to offer amazing Packages and benefits to these developers. We have prepared a list of the Top 50 Python Interview Questions along with their answers to ace in interviews. My questions here are only about the technical side of Senior Python developers. From senior Python developers, just as with other developers, companies expect them to have some skills in addition to the technical qualifications.

List slicing returns a new list from the existing list. Decorators are a very powerful and useful tool in Python as they are the specific change that we make in Python syntax to alter functions easily. Actually, Python is a partially compiled language and partially interpreted language. Decorators are the functions to add functionality to an existing process without making any changes to the structure of that function. The code will work because of the standard dictionary object in Python 2 or 3.

Middle Python Developer OOP, REST API

A module is a file written in Python containing Python code with import statements, classes, functions etc. With modules functionality of applications can be divided into smaller parts to structure a program. The folder of a Python program is a package of modules. Before answering senior Python interview questions like this one, you must be aware that we are talking about the CPython implementation. Other Python implementations may have different rules and requirements for memory management. Its code is first interpreted by another program (interpreter) and then compiled into something called bytecode.

python interview questions for senior developer

Function Annotation is a feature that allows you to add metadata to function parameters and return values. This way you can specify the input type of the function parameters and the return type of the value the function returns. Unit Testing is the first level of software testing where the smallest testable parts of the software are tested.

Skills covered in our Python coding challenges

Python is growing tremendously in popularity due to its simplistic nature and ability to create multiple functionalities with a few lines of code. Today, developers use this programming language to build machine learning, artificial intelligence, Web development, and several other applications. The availability of powerful libraries, ease of understanding, and object-oriented approach make Python a preferred development language. As Python has applications in machine learning, AI, data science, and analytics, with the right skills and experience, developers can land jobs with the best perks. Read on to know all the questions and answers for python interviews due in 2022. Senior Python developers can find some of the best-paid jobs.

  • This block gets executed irrespective of whether an error occurred or not.
  • Generator also increases the readability of the code written in Python.
  • The benefit of xrange() over range() is very minimal in regular scenarios.
  • Senior Python Developer responsibilities include participating in all phases of the software development lifecycle and coaching junior developers.
  • Boolean equality operation can be performed using these NoneType objects.
  • By using the zip() function input data from different sources can be divided into a fixed number of sets.

In other words, this lock belongs to the Python interpreter and it uses it to lock a thread. We also have something called Cython, which is the compiled language used to create CPython extensions. The Cython language is a superset of Python that supports several C programming language features. Use this Senior Python Developer job description template to attract experienced developers who build functional server-side applications.

Senior Python Developer Interview Questions

We can specify a separator to start splitting, or it uses the space as one by default. Slicing is also a string operation for extracting a part of the string, or some part of a list. This document provides the coding conventions for writing code in Python. The coding conventions are about indentation, formatting, tabs, maximum line length, imports organization, line spacing etc.

Once the values in a frozenset are set, they cannot be changed. Frozenset is immutable and thus, hashable, and can be used as a dictionary key or as an element of another set. Methods from set on frozenset cannot be used and updated. A docstring in Python is a string used for adding comments or summarizing a piece of code in Python.

More Behavioral Python Interview Questions

It would help if you tried to tell the interviewers how you stay up to date with the latest developments. You can tell them about your favorite technical books or which blogs interest you. Try use simple analogies and stay away from technical jargon and concepts. Flask is a micro-framework based on Python to develop web applications.

python interview questions for senior developer

But for an Immutable object like String, any change done within a method is not reflected outside. Python is an interpreted high-level programming language used for general purposes which is favored by a lot of developers because of its versatility and increased productivity. The slow overall performance of Python, its limited multiprocessing and threading capabilities are considered to be the major pitfalls of this programming language. Python grows exponentially due to its simplistic nature and the ability to perform several functions in just a few lines of code. Due to its ability to support powerful computations using powerful libraries, it is used in various domains and it become the reason for the huge demand for Python developers across the world.

We use PEP 8 to bring consistency to our code which makes it easier for other developers to read the code. While the Python interpreter is using GIL to lock T1, all other threads have to wait. After T1 finishes, it releases GIL and passes it to another thread T2 that needs it.

The 40 Python interview questions below contain basic to expert level interview questions asked by recruiters. Each question is accompanied by an answer so that you can prepare for developer job interviews in a short time. DevSkiller Python interview questions and tests are specially designed to assist recruiters in finding the right Python developers.

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