Multithreading Interview Questions Python

Multithreading and concurrency questions are an essential part of any Java interview. Explain different ways of creating a thread. These are questions that you are most likely to get asked at the beginning of the interview, just to see if you truly do have a fundamental understanding of Python. I wanted to make a simple example of multithreading with QThread in PyQt5 / Python3. This is the advanced Multithreading Interview Questions asked in an interview. Sumit Kumar-March 22nd, 2017 at 2:50 pm none Comment author #13231 on STL Tutorials and Interview Questions by thispointer. Django is a free and open source web application framework, written in Python. Java Multithreading Interview Questions and Answers SUBSCRIBE --> https://www. So here are some essential full stack interview questions, answers, tips, advantages, and disadvantages to help you out. Specifically, the python Queue object can be easily used to solve the multi-producer, multi-consumer problem, where messages must be exchanged safely between multiple threads. Here, we have compiled the questions on topics, such as lists vs tuples, inheritance example, multithreading, important Python modules, differences between NumPy and SciPy, Tkinter GUI, Python as an OOP and functional programming language, Flask database connection, and some important sample codes. We wish that you would find this Python Multithreading tutorial very interesting and captive. Net Web API. 3rd round around 2hr was also technical round with all puzzle Qs logic to written in. Condition Object - Thread Synchronization in Python. #Python program to draw spider web in. Comprehensive, community-driven list of essential Python interview questions. The illustrations you found here would surely help in uplifting your Python skills. The Python implementation is copyrighted but freely usable and distributable, even for commercial use. Interview questions banks will ask when you say you can code in Python. This article helps you through most of the upto date possible Python interview questions; and covers basic, intermediate and advanced Python interview questions. for interview round. Why multi-threading questions are very popular? It is because NOT many developers have a good grasp on multi-threading. Just like multiprocessing, multithreading is a way of achieving multitasking. Here in this post, we have studied top Multithreading Interview Questions which are often asked in interviews. Python Programming tutorials from beginner to advanced on a massive variety of topics. We will also have a look at the Functions of Python Multithreading, Thread – Local Data, Thread Objects in Python Multithreading and Using locks, conditions, and semaphores in the with-statement in Python Multithreading. These are questions that you are most likely to get asked at the beginning of the interview, just to see if you truly do have a fundamental understanding of Python. According to Gartner, microservices are the new application platform for cloud development. One such algorithm is the Markov chain, which takes a set of question and mathematically creates new ones. In our previous article on Python Namespace and Scope. This article explains Python interview questions and answers them for you. Blog about Java, Python, Database, Big data- NoSQL(Cassandra), Hadoop, ElasticSearch and related technologies. Python is an elegant and versatile language, used for a wide variety of applications on the Internet and in many kinds of software. Each of these parts is known as threads. Now we will learn multithreading in python using the threading module. Java Multithreading Interview Questions and Answers. ― Juzo is a detective about town, and that town just so happens to be a dystopian. Python multiprocessing is one of the similar module that we looked into sometime back. These are logical interview questions which will help you built reasoning for these questio. Python is by far the most popular programming language available today. Create the object of PrivateObject class and pass the class whose private method needs to be invoked. CountdownEvent is a synchronization primitive that unblocks its waiting threads after it has been signaled a certain number of times. start()がよばれた後そのスレッドは破棄されます.言及されているようにt. > > I am now appearing for Job Interviews these days and I am > wondering if anybody of you appeared for a Python > Interview. Python is a programming language with objects, modules, threads, exceptions and automatic memory management. It has a multi-threading package but if you want to multi-thread to speed your code up, then it's usually not a good idea to use it. Python Threading Tutorial: Run Code Concurrently Using the Threading Module - Duration: 36:05. A great Python developer is proficient in coding, but they can also operate with abstract ideas and concepts present in their programming language of choice. While I haven't interviewed precisely for Python, I've been. It was mainly developed for emphasis on code readability, and its syntax allows programmers to express concepts in fewer lines of code. 100 examples of core values based interview questions. Before we go into the threading and related concepts regarding interview, I would like to give a brief idea about how things work before the title of the article i. CareerCup's interview videos give you a real-life look at technical interviews. 25 important. Barrier Object - Python Multithreading. We will also have a look at the Functions of Python Multithreading, Thread – Local Data, Thread Objects in Python Multithreading and Using locks, conditions, and semaphores in the with-statement in Python Multithreading. Here some interview those are frequently asked in any interview. The benefits of pythons are that Top 40 Python Interview Questions & Answers. Lock is another synchronization mechanism in C# and one of the famous multi-threading interview questions in. Python has MT package for this. Let us help you prepare python and SQL interview questions for data science, marketing, and product management. Notice that the memory-checking statements are bracketed by #ifdef _DEBUG / #endif blocks so that they are compiled only in Win32 Debug versions of your program. The player's rank in the league is calculated using the following logic: The player with the highest score is ranked first (rank 1). Net, PHP, C, C++, Python, JSP, Spring, Bootstrap, jQuery, Interview Questions etc. 800+ Java interview questions & answers with lots of diagrams, code and 16 key areas to fast-track your Java career. Developer Sr. When we start an application, main is the first user thread created and we can create multiple user threads as well as daemon threads. Let me know if we can collaborate to learn and write more stuffs, share thoughts and approach to analytics solution in R and SAS. We are sharing important java multithreading interview questions and answers. The easy way to create this interview questions databank, is to ask as many people as possible to share the questions they were asked or the questions that they asked. Kindly provide me some of the interview questions which were asked in the interview on multithreading if possible kindly put the scenario based questions with some theoretical questions. While I haven't interviewed precisely for Python, I've been. Spring, Hibernate, JEE, Hadoop, Spark and BigData questions are covered with examples & tutorials to fast-track your Java career with highly paid skills. Python Basic Level Interview Questions and Answers. Here are a few Python interview questions and answers. What is a deadlock in Multi-threading? Deadlock describes a situation where two or more threads are blocked forever, waiting for each other. Subscribe for more cool stuff! Slides & files - https://www. I really liked working with Git. to make you a good Java programmer. In this tutorial, we shall learn how to work with threads in detailed sections. CareerCup's interview videos give you a real-life look at technical interviews. I wanted to make a simple example of multithreading with QThread in PyQt5 / Python3. Python is an elegant and versatile language, used for a wide variety of applications on the Internet and in many kinds of software. Multithreading in Python | Set 2 (Synchronization) For example, in the diagram below, 3 threads try to access shared resource or critical section at the same time. Prefix Python 2 strings that are meant to contain bytes with a b prefix to very clearly delineate what is and is not a Python 3 text > > string (six provides a function to use for Python 2. Why we need Multi-threading in our project? Multi-threading is running the multiple threads simultaneously. This point cannot be stressed enough: make sure you know what all of your string literals in Python 2 are meant to be in Python 3. Multithreading is an essential subject to learn and mastering it will make you write efficient code. Well, they quite like a weakness that could be seen as a strength or one that they can relate to. The Python unit testing framework, dubbed 'PyUnit' by convention, is a Python language version of JUnit, by smart cookies Kent Beck and Erich Gamma. Like for a C or C++ interview, there are lots of questions ranging from reversing of strings to building linked lists, but for a Python interview, I am clueless. There is a library called threading in Python and it uses threads (rather than just processes) to implement parallelism. In simple words, a thread is a sequence of such instructions within a program that can be executed independently of other code. ― Juzo is a detective about town, and that town just so happens to be a dystopian. Synchronization between threads. There are few java interviews where they ask most of questions from threading and concurrency. MCQ- Java multithreading multiple choice questions with answers and explanation. Over a million developers have joined DZone. Java interview questions and answers on multithreading with detailed explanation for beginners and experienced professionals. In multithreading environment data sharing between threads is very easy. Top 50+ Python Interview Questions for beginners and professionals with a list of top frequently asked python interview questions and answers with java,. Make sure you go through all of them and familiarize yourself with these concepts. In short the process of executing multiple threads simultaneously is known as multithreading. One should spend 1 hour daily for 2-3 months to learn and assimilate Python comprehensively. Have a look, It covers major tricky Multithreading interview question with solution: Advanced Multithreading Interview Questions In Java. Threads in Python Definition of a Thread A Thread or a Thread of Execution is defined in computer science as the smallest unit that can be scheduled in an operating system. 100 examples of core values based interview questions. with answers asked in software industries. Over a million developers have joined DZone. Expecting too much of yourself, getting a bit behind with your paperwork. Net Web API. This post covers 30+ interview questions for Java Threads. Python threads will NOT make your program faster if it already uses 100 % CPU time. Highest Paying Jobs in 2019 NEW!. In this article, we will see different thread safe approaches for lazy Initialization Singleton Design Pattern like Using Synchronized getInstance() method, Double checked. I wanted to make a simple example of multithreading with QThread in PyQt5 / Python3. The interview process had 3 rounds, two technical and 1 HR round. Lock is another synchronization mechanism in C# and one of the famous multi-threading interview questions in. In this article, we will see different thread safe approaches for lazy Initialization Singleton Design Pattern like Using Synchronized getInstance() method, Double checked. Although every interview and its scope is different, below is the list of top most frequently asked Java multithreading questions: 1. Bookmark this page so that you can refer it anytime or you can just revise it before attending any Python interview. These interview questions are both beginners and advanced developers. Sorting (insertion sort, quick sort, merge sort, heap sort) 2. Multi-threading is done by executing multiple processes that can be supported by the operating system. What is a thread? Thread is a lightweight subprocess. In simple words, a thread is a sequence of such instructions within a program that can be executed independently of other code. Multithreading is a Java feature that allows concurrent execution of two or more parts of a program for maximum utilization of CPU. Top 80 Thread- Java Interview Questions and Answers (Part 1) Answer. Our article will provide you with top 18 Python interview questions to make your hiring strategy better! Python Theory and Fundamentals. saving the details of user to a file while at the same time retrieving something from a web service. It is a blueprint of objects. Each thread simply increments whatever integer was in the box before the start button is pressed, once per second. This article covers the basics of multithreading in Python programming language. Threading in Python is a strange beast and it's essential to know its limitations. 15 Essential Python Interview Questions. If you are interested in parallel programming with python, please see here. List of frequently asked Selenium with Python Interview Questions with answers by Besant Technologies. It's good to have good knowledge of Threads in Java. Please anybody can tell me the questions, that can be asked in an interview for below topics Socket Programming Multi-Threading An advance thanks goes to everybody who provide their time. This set covers some Python coding interview questions and also some non-technical questions. This point cannot be stressed enough: make sure you know what all of your string literals in Python 2 are meant to be in Python 3. Highest Paying Jobs in 2019 NEW!. net 201 2018 2019 2019 certifications 401 5 common myths about data science a brief history of artificial intelligence absolute xpath acquire action class slideshare actions class example in selenium webdriver actions class in selenium webdriver actions class in selenium webdriver java activities in. Git Interview Questions. In these unscripted videos, watch how other candidates handle tough questions and how the interviewer thinks about their performance. I will cover samples and advanced topics of multithreading in the Part II of this tutorial. Each part of such program is called a thread. Our Python Interview Questions is the one-stop resource from where you can boost your interview preparation. The second group gave me Coding assignments (finding errors in a code, writing a code to reverse a string, tell what a certain code is doing), last part was a software design task about a project. These are logical interview questions which will help you built reasoning for these questio. Users are encouraged to use the threading module instead. We will also have a look at the Functions of Python Multithreading, Thread – Local Data, Thread Objects in Python Multithreading and Using locks, conditions, and semaphores in the with-statement in Python Multithreading. Condition Object - Thread Synchronization in Python. lang package. Application-level threading code should be avoided if at all possible, in favour of immutable objects, clustered stateless services and so on. Interview reviews are posted anonymously by Accenture interview candidates and employees. For instance let's say you have two threads as shown in the figure. Here are 5 examples that should cover your bases. All Python objects and data structures are located in a private heap. Let us first understand the concept of thread in computer architecture. 50% of the MCQ on multithreading in java are asked in interviews. Check the below video to watch "Real Time Selenium Interview Questions And Answers For Experienced And Freshers". This is a coding convention, a set of recommendation, on how best to write Python code and improve its readability. Interview Questions. net interview by the interviewer so have a look on the following and do revise it when ever you go for the. What is multithreading : Multithreading is a type of multitasking based upon threads i. Top 50+ Python Interview Questions for beginners and professionals with a list of top frequently asked python interview questions and answers with java,. Labels: database , database interview questions , SQL , SQL Interview Questions Top 5 Data Structures and Algorithms Courses and Classes for Beginners [Python + Java + JavaScript] Data Structures and Algorithms are one of the most essential topics for programmers. 25 important. It apply a lock on a target object and only one thread can lock that target object at. 50% of the MCQ on multithreading in java are asked in interviews. Highest Paying Jobs in 2019 NEW!. Angular 8 Tutorial with tutorial and examples on HTML, CSS, JavaScript, XHTML, Java,. The difference is that threads run in the same memory space, while processes have separate memory. Well, they quite like a weakness that could be seen as a strength or one that they can relate to. In these unscripted videos, watch how other candidates handle tough questions and how the interviewer thinks about their performance. The player's rank in the league is calculated using the following logic: The player with the highest score is ranked first (rank 1). It doesn’t create a new object. Now we will learn multithreading in python using the threading module. Introduction: Java Multi-threading Interview Questions Multi-threading in Java is an important topic for scaling up a Java application. There is the list of 201 core java interview questions The answers of the core java interview questions are short and to the point The core java interview questions are categorized in Basics of java interview questions, OOPs interview questions, String Handling interview questions, Multithreading interview questions, collection interview. In some respects even the most technical role demands qualities common to strong candidates for all positions: the willingness to learn; qualified skills; passion for the job. NET/C# Threading Interview Questions Kapil Malhotra. Multiprocessing in Python is a package we can use with Python to spawn processes using an API that is much like the threading module. To describe it in a simple manner let's assume there are two threads Thread-1 and Thread-2 and two objects obj1 and obj2. C++ Multithreading Interview Questions And Answers Pdf Files So, here are a few practical Java multithreading interview questions and answers. Like Perl, Python source code is also available under the GNU General Public License (GPL). Here are 5 examples that should cover your bases. In other words a flow of control is known as thread. Completed all 3 in less than 2 hours. So you have finally found your dream job in Java Multi-threading but are wondering how to crack the interview and what could be the probable Java Multi-threading Interview Questions. Why multi-threading questions are very popular? It is because NOT many developers have a good grasp on multi-threading. These interview questions are both beginners and advanced developers. 150+ Python Interview Questions and Answers to make you prepare for your upcoming Python Interviews. This object can be used where we want a set of threads to wait for each other. Advanced Multithreading Interview Questions In Java for experienced and fresher. but say in both cases how you deal with this, before they ask you! Or one that is unrelated to teaching - bad at parking. In Java, collection interview questions are most asked by the interviewers. Threads are used for small tasks, whereas processes are used for more ‘heavyweight’ tasks – basically the execution of applications. After each game, the player records their score with the record_result function. This set covers some Python coding interview questions and also some non-technical questions. Interview Questions on Multithreading in Java What is thread ? Thread is a lightweight components and it is a flow of control. Why practice technical interview problems in Python? You’ll need to pass a technical interview if you want to be hired for a technical role. for interview round. Though, we'll begin with some general questions. Multithreading is a Java feature that allows concurrent execution of two or more parts of a program for maximum utilization of CPU. lang package. What is PEP8? Ans. Wish you all the best!!. Please anybody can tell me the questions, that can be asked in an interview for below topics Socket Programming Multi-Threading An advance thanks goes to everybody who provide their time. This is a perfect guide to learn all the concepts in detail to clear the Python interview successfully. Here are 5 examples that should cover your bases. net 201 2018 2019 2019 certifications 401 5 common myths about data science a brief history of artificial intelligence absolute xpath acquire action class slideshare actions class example in selenium webdriver actions class in selenium webdriver actions class in selenium webdriver java activities in. Python Interview Questions and Answers provided over here will familiarize you to the maximum frequently posted questions in interviews. Ten awesome, rigorous, and curated Python interview questions. Search for java videos. Over a million developers have joined DZone. Interview questions are sometimes actually trick questions, intended to make you think about the problem that you're trying to solve. Spring, Hibernate, JEE, Hadoop, Spark and BigData questions are covered with examples & tutorials to fast-track your Java career with highly paid skills. Multithreading is an essential feature to learn for any programmer or a tester using Python. It was created by Guido van Rossum during 1985- 1990. With support for both local and remote concurrency, it lets the programmer make efficient use of multiple processors on a given machine. The benefits of pythons are that Top 40 Python Interview Questions & Answers. Our tutorials are regularly updated, error-free, and complete. If there is any core java interview question that has been asked to you, kindly post it in the ask question section. If you have never used multithreading in your application and wish to know how to use multithreading in your applications and why, Then this article might be useful for you. This round was more focused on Core Java, SQL and Problem solving skills. Want to become an expert in cracking Data Science interview questions/Data Analysis interview questions? Start with practicing the questions below. It is a 3-hour coding test, 3 questions to be solved by retrieving data from their server. If you are aspiring to start your career in the Python programming language, then you must know the Frequently Asked Questions in any Python Interview to help you out, we have gathered a list of Python interview questions. What is a thread? The thread is a lightweight subprocess. This module implements queues for multiple thread programming. This article helps you through most of the upto date possible Python interview questions; and covers basic, intermediate and advanced Python interview questions. but to speed up the code, GIL(Global Interpreter Lock) Basic Python Interview Questions. Concurrency is a natural phenomenon because many events occur simultaneously at any. Middle; Python interview questions. Multithreading and Synchronization are considered as the typical chapter in java programming. Threads are much lightweight than process. tough multithreading interview questions in java What is a transient variable. In this article I am gonna share interview questions based on multithreading and concurrency only. The job openings are a good opportunity for one and all with good grasp on the subject. Let us first understand the concept of thread in computer architecture. About Python. The thread module has been "deprecated" for quite a long time. Python multiprocessing is one of the similar module that we looked into sometime back. When a class is defined with __slots__, only attributes whose names are present in the __slots__ sequence are allowed. Python Interview Questions. I am listing here all possible questions on multi-threading 1)When to use Runnable vs Thread in Java? 2)Difference between start() and run() method of Thread class? 3)How do you share data between two thread in Java? 4)Difference between notify. We wish that you would find this Python Multithreading tutorial very interesting and captive. Condition Object - Thread Synchronization in Python. Interview Questions on MultiThreading are among my favourites. Python combines remarkable power with very clear syntax. Interview Questions. Interview Got a call from consultancy for 1yr C2H position in Facebook, Hyderabad in Oct-2015. Python - Multithreaded Programming. Multithreading can be of advantage specially when now a days, machine has multiple CPUs, so multiple tasks can be executed concurrently. Python Interview Questions and Answers provided over here will familiarize you to the maximum frequently posted questions in interviews. Angular 2 vs. Python’s built-in data structures (lists, dictionaries, etc. These topic become synonyms on how much knowledge you have in java. Now we will learn multithreading in python using the threading module. Of course, it is not full and it doesn't have any answers and maybe some of the questions seem weird or even stupid, but I think they are good for finding the right candidate for Python position. 18, (docker container image python:3-stretch) We have development environment where we are running our code on flask and we change it to uwsgi when we test it on production. In other words a flow of control is known as thread. It frustrates me that those of us who regularly have to interview are faced with low-level threading questions that have very little applicability in the real-world. Each thread maintains exception handlers, a scheduling priority, and a set of structures the system uses to save the thread context until it is scheduled. Whether a question involves multiple choice or live coding, we will give you hints as you go and tell you if your answers are correct or incorrect. Из того, что я понял - GIL не держит поток до его конца, а переключается через каждые n инструкций или по другому алго (зависит от версии питона). In game development companies, multithreading related interview questions are asked mostly. A thread executes in the same context. NET/C# Threading most asked interview questions. The question lists provided are prepared by experts in a well-organized manner which will easily boost you for the interview preparation. In this lesson, we will study about Thread and different functions of python threading module. If you are interested in parallel programming with python, please see here. python - How to share a variable between 2 threads. Each thread maintains exception handlers, a scheduling priority, and a set of structures the system uses to save the thread context until it is scheduled. 800+ Java interview questions answered with lots of diagrams, code and tutorials for entry level to advanced job interviews. Dear Readers, Welcome to Python interview questions with answers and explanation. but you can also create your own functions. It also covers Java difficult multithreading interview questions. 150+ Python Interview Questions and Answers to make you prepare for your upcoming Python Interviews. Of course, it is not full and it doesn't have any answers and maybe some of the questions seem weird or even stupid, but I think they are good for finding the right candidate for Python position. Multi-Threading Interview Questions and Answers in C# In this article, I am going to discuss the most frequently asked Multi-Threading Interview Questions and Answers in C#. A: This thread interview questions is mostly asked in first round or phone screening round of interview and purpose of this multi-threading question is to check whether candidate is familiar with concept of "join" method or not. I just write in Windows powerShell python -m pip install numpy And it is installed troubleless. Threads are normally created by a fork of a computer script or program in two or more parallel (which is implemented on a single processor by multitasking) tasks. Interview Questions. Threads sometimes called light-weight processes and they do not require much memory overhead; they are cheaper than processes. Are you very good at C# Developer Multi – Threading concepts? Planning to attend the interview on C# Developer multi-threading then we at Wisdomjobs has provided with all kinds of C# Developer Multi – Threading Interview Questions and Answers on we have also provided with the various job roles that you can apply in order to get the job. If you want to learn more, I would suggest trying our Intellipaat “Java” course that covers in-depth knowledge of most of the important topics like Basics of Java, Array, Exception Handling, Multi-threading, etc. It is also usable as an extension language for applications that need a programmable interface. A thread is a single sequence stream within in a process. Morgan Stanley Interview Questions - Set 6 I have cleared three rounds of Synechron and after that they scheduled my telephonic interview with their client Morgan Stanley. We hope this Selenium with Python Interview Questions and answers are useful and will help you to get the best job in the networking industry. Click here to visit our frequently asked questions about HTML5 video. You may also look at the following articles to learn more -. 'Java thread interview questions' is covered in this topic. Barclays, Morgan Stanley, Citibank etc. From boldly addressing the nuances of #MeToo on her new Apple TV+ drama, The Morning Show, to canoodling with a five-foot python for BAZAAR, the 43-year-old actress and producer takes risks. Want to become an expert in cracking Data Science interview questions/Data Analysis interview questions? Start with practicing the questions below. Write a program reverse a string ? 2. Tightly coupled functions. Junior; Python interview questions. Is it a good idea?. If you are aspiring to start your career in the Python programming language, then you must know the Frequently Asked Questions in any Python Interview to help you out, we have gathered a list of Python interview questions. So this was the list of some important Python interview questions and answers that are very frequently asked in the interviews. You must read to boost chance of hiring. In short the process of executing multiple threads simultaneously is known as multithreading. Download it once and read it on your Kindle device, PC, phones or tablets. Barrier Object - Python Multithreading. We have discussed. Multithreading is all about concurrency and threads. saving the details of user to a file while at the same time retrieving something from a web service. Python doesn't allow multi-threading in the truest sense of the word. "AutoResetEvent" and "ManualResetEvent" are threading concepts which help us to manage synchronization using events/ signals. from _thread import * import threading A lock object is created by->. What Is the Difference Between a Process and a Thread? Both processes and threads are. Threads have their own stack. Python multiprocessing is one of the similar module that we looked into sometime back. In this tutorial, we shall learn how to work with threads in detailed sections. Unless test(i, j) is actually more complicated than you make it out to be, you are definitely not optimizing anything, as starting up a thread will take longer than accessing a dictionary. of test cases in parallel. Its very important question. Java Threads 11. Q) What is the main purpose of having multithread environment?. Attempt this Java multithreading quiz with top 20 interview questions and see how you score. In this article, we will see different thread safe approaches for lazy Initialization Singleton Design Pattern like Using Synchronized getInstance() method, Double checked. In this tutorial, we shall learn how to work with threads in detailed sections. Need to interview a Java developer for a freelance project or job? Here are 37 essential interview questions (and answers!) provided by some of our top Java experts on Codementor. There is nothing you need to know in prior. Thread class belongs to java. Interview questions banks will ask when you say you can code in Python. Each thread simply increments whatever integer was in the box before the start button is pressed, once per second. So, let's start the Python Multithreading Tutorial. Different Types of SQL Server & SQL Database Functions 8. Second the questions above help me get a basic understanding of your Python knowledge but they are not the only think that makes my decision. Prefix Python 2 strings that are meant to contain bytes with a b prefix to very clearly delineate what is and is not a Python 3 text > > string (six provides a function to use for Python 2. So if you want to be thorough with your Python interview questions , you will have to brush up on the cardinal differences between lists, tuples, and sets. Python Interview Questions Python mostly used in scripting, is general purpose programming language which supports OOP Object oriented programming principles as supported by C++, Java, etc. Let’s start off with the easier questions and head out to the slightly tougher ones. We have learned to read/write both XLS and XLSX format in Java, which is key to support old Microsoft Excel files created using Microsoft Office version prior to 2007. Summary – Python Multithreading for Beginners. This set covers some Python coding interview questions and also some non-technical questions.