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python coding interview questions and answers

It also boasts time-series functionality that is closely followed by remarkable speed indicators. It is a general-purpose language that is good at a lot of things. Some other Python interview questions to consider are as follows: An interview for a Python-related job won’t be limited to technical questions. Working with these on a regular basis will also help you during your job search as you will be able to provide real-world examples during an interview. And globals() gives us a dictionary with the global variables in the current scope. A good book to prepare for programming job interviews in a short time. It can be used on the client-side, but that needs to implement conversions so the browser can interpret the client-side logic. Like NumPy, SciPy’s data structure is also a multidimensional array that’s implemented by NumPy. Problem Statement: Little Robert likes mathematics. It’s essential to use a recent example here, so keep it fresh and give the recruiter a chance to imagine your future success based on your past work experience. Tuples are a perfect choice when you want a list of constants. They can be of any data type, they can all be the same, or they can be mixed. In this scenario, it’s not a question of preference, but a question of what your data structures are. to prove that you know how to work with it. Would you like to help him in completing his school assignment? So it’s important to start by setting the stage for your example. Lists can be used to store a sequence of objects that are mutable (so they can be modified after they are created). Devised back in 1989, Python wasn’t one of the programming languages until the onset of digitalization. If you have to do a practical test to demonstrate your knowledge and experience, it will be critical to remember that a Python list is defined with square brackets []. The primary objective is to show the interviewer how you managed to turn something negative into something positive. Flask does not have an ORM, and you must perform database operations through SQLAlchemy. Instead, tailor your answer to a project you worked on, but don’t get specific about why the challenge turned out to be difficult in the first place. If you can answer such questions with confidence and without delay, you will have a better chance of getting hired. If So, How Would You Do It? In Python, a loop iterates over popular data types (like dictionaries, lists, or strings) while the condition is true. Keeping you updated with latest technology trends, Join TechVidvan on Telegram. A Python dictionary is fundamentally an unordered collection of key-value pairs. Specifying the locals and globals parameters, we can restrict what the user can access: Q.10. Sets are a collection of unique elements that are used in Python. Elements in lists maintain their ordering unless they are explicitly commanded to be re-ordered. Pylint is configurable from within code and also from an external configuration file. Like our other parts of python programming interview questions, this part is also divided into further subcategories. Q.8. , there’s a good chance that you will have to answer these types of questions. This lets you perform common database operations without having to write complex SQL queries. No matter how much work experience or what data science certificate you have, an interviewer can throw you off with a set of questions that you didn’t expect. Pandas is defined as an open-source library that provides high-performance data manipulation in Python. There are two prerequisites to make a Python script executable on Unix –. is a Python library that provides highly flexible and powerful tools and high-level data structures for analysis. if list[j]>list[j+1]: Among Python interview questions, this one is quite common as it dives right into the basics of Python programming. A tuple is similar to a list in Python, but the key difference between them is that tuples are immutable. Can you skip using a nested function in a decorator? Python has a large community that will answer your questions if you get stuck. Tuples are immutable, so they can be used when you want to protect your data from modification. We can create a separate module to hold all the global variables, then import it in the modules where we need them. Q.26. And unpickling is the inverse of that – converting the byte stream back into an object hierarchy. Python programmers will work with other individuals from different backgrounds: business, marketing, human resources, etc. Generators let us hold execution whenever we want. We can also use the logging module to log data with timestamps. How will you get the number of digits in a file? This detailed guide of Python coding interview questions will help you to crack your Job interview for Python Programming. As a result, competition for Python programming positions will be fierce. Let’s begin. Memoization is the optimization technique of storing the results of expensive function calls to return the cached result when the same input occurs again. Keeping you updated with latest technology trends. Q.4. . He is a contributor to various publications with a focus on new technologies and marketing. (Source.). Python is easy to learn and is a skill set that most software engineers possess. It was created by Guido van Rossum in 1991 and further developed by the Python Software Foundation. So if you want to be thorough with your. Let’s dive in. In this scenario, you can quickly look up anything by its key, but since it’s unordered, it will demand that keys are hashes. For convention messages, refactor messages, warning messages, error messages, fatal error messages, and perfect code, it will give you the status codes 16, 8, 4, 2, 1, and 0 respectively. If you want to add more Python interview questions for beginners, intermediates, and experts level, do let us know in the comment section. Practice Python Interview Questions & Answers. In Python, you can’t use a list as a “key” for the dictionary (technically you can hash the list first via your own custom hash functions and use that as a key). It also offers refactoring suggestions, like asking you to turn your variable name to snake_case. Should you use Memcached in your project? An interview for a Python-related job won’t be limited to technical questions. Memcached cannot query data or iterate over content to extract information. is one of the principle packages for data science applications. Ans. 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. While you might be well equipped with the requisite knowledge and experience, to get your ideal data science job you’ll likely have to face a number of Python interview questions to prove that you know how to work with it. Q.18. locals() gives us a dictionary holding the local variables in the current scope. NumPy is popular because it can be used as a highly efficient multi-dimensional container of generic data. You can also use other database interfaces including, but not limited to: locals() and globals() are built-in functions in Python. Implement the bubble sort algorithm in Python. for j in range(len(list)-1-i): Most commonly, the databases used for Python are PostgreSQL, MySQL, and SQLite. The benefits of Python include its simplicity, portability, extensibility, and built-in data structures. Answer: Although this has nothing to do specifically with Python programming interview questions, there’s a good chance that you will have to answer these types of questions. So when you’re preparing for potential. When you need to create a new list from other iterables, you have to use list comprehensions. This is a way of extending the code at runtime and is also called a dynamic modification. The memory manager will allocate the heap space for the Python objects while the inbuilt garbage collector will recycle all the memory that’s not being used to boost available heap space. Django is more popular than Flask, but both Django and Flask are open-source web frameworks that are commonly used and also by big names. Django has a built-in ORM (Object Relational Mapping) system that works with databases like MySQL, Oracle, SQLite, and PostgreSQL. These types of Python interview questions often come up because the interviewer will want to test the waters and get an idea about how comfortable you are with the subject matter. Let’s open the file statistics.txt using a with-clause, and call it ‘numbers’. It includes 50+ coding questions. Most data scientists write a lot code so this applies to both scientists and engineers. Q.16. How will you make a Python script executable on Unix? that can be asked in this interview format. , scientific computing, and web development. Like NumPy, SciPy’s data structure is also a multidimensional array that’s implemented by NumPy. We can call this config.py or anything else we want. What is PEP8? For more career-focused training, check out our Data Science Career Track—you’ll learn the skills and get the personalized guidance you need to land the job you want. It’s often used to process large multidimensional arrays, extensive collections of high-level mathematical functions, and matrices. is another outstanding library for scientific computing. Python’s functions are first-class objects that make difficult tasks simple. Q.14. To measure the performance of our code, we can use the time module. Python Pandas interview questions. These Python interview questions will challenge your algorithmic thinking skills as well as your Python programming skills. If the interviewer follows up with this question, try to make your answer as specific as possible. Python Interview Questions and Answers for Beginners, Python Interview Questions and Answers for Intermediates, Advanced Python Programming Interview Questions, Frequently Asked Python Programming Interview Questions, Python Interview Questions and Answers for Experts. It can also be described as the implementation of a hashtable and as a key-value store. 8. It was mainly developed for emphasis on code readability, and its syntax allows programmers to express concepts in fewer lines of code. And if you choose to use it, you should always have a second source of information for the application. return list. Python is a high-level programming language that can be used for artificial intelligence, data analysis, data science, scientific computing, and web development. Serialization is also called marshalling or flattening. In any position, technical or not, the behavior aspects of each individual also play a critical in the selection process. However, it’s important to note that you’ll be expected to use only native Python data structures and modules from the standard library to solve Python problems. Django has a built-in template engine, but you can also write your own templates in Django Template Language (DTL). Providing quick and in-depth answers to these, When Guido van Rossum created Python in the 1990s, it wasn’t built for data science. So it will be critical to think about this beforehand and answer the question without delay. We know that being a general-purpose language, Python is also a scripting language. You might also have to do some practical exercises to demonstrate your Python programming skills, so practice as much as possible before the interview. If you practice it well, you will get a good understanding of Python. How will you round a floating-point number using string interpolation? def bubble_sort(list): How does Python act as a scripting language compared to others like JavaScript? Python Interview Questions and Answers for Intermediates; Python Interview Questions and Answers for Experts; To start with, in this Python programming interview questions, we are mainly focusing on experts or those who are familiar with Python and have some experience. It’s often used to process large multidimensional arrays, extensive collections of high-level mathematical functions, and matrices. In our previous posts 100 Data Science Interview Questions and Answers (General) and 100 Data Science in R Interview Questions and Answers, we listed all the questions that can be asked in data science job interviews. How do you send mail from a Python script? Over the years, Python has evolved considerably and become one of the fastest-growing programming languages in the world. In a dictionary, each entry will have a key and a value, but the order will not be guaranteed. Answer: A module is a Python script that generally contains import statements, functions, classes and variable definitions, and Python runnable code and it “lives” file with a ‘.py’ extension. zip files and DLL files can also be modules. It is a cache, not a data store. This is because even if you’re the best Python programmer in the marketplace, it won’t mean much if you can’t perform efficiently and effectively on the job. List some popular applications of Python in the world of technology? go, this is one of the most fundamental. You will have to think on your feet as there may well be follow-up questions, so be prepared to dive in and get into the nitty-gritty details. Question 36: Reverse a string in Python. For a data scientist, data mining can be a vague and daunting task – it requires a diverse set of skills and knowledge of many data mining techniques to take raw data and successfully get insights […], 20 Python Interview Questions and Answers, Python is a high-level programming language that can be used for. How did you identify them and rectify them? Of These, Which Are Mutable, and Which Are Immutable? Ans. new_list = [expression for_loop_one_or_more conditions]. This has created an explosion in demand for engineers fluent in Python. Also, the Jupyter Notebook or JupyterLab is a good option for data science. This is new style string formatting. Let’s first create a NumPy array. This is why we are here to help you with Python programming interview questions. To create and initiate databases in Flask, you need the sqlite3 command. , this one is quite common as it dives right into the basics of Python programming. However, they have to be stored in a particular order that can be indexed into the list or iterated over it (and it can also take some time to apply iterations on list objects). 6. Pandas comes with a variety of built-in methods for combining, filtering, and grouping data. It’s a perfect tool to work with an enormous amount of data since dictionaries are optimized for retrieving data (but you have to know the key to retrieve its value). How will you download DataFlair’s logo using Python? Why do you need sessions in Django? This was all about Python programming interview questions and answers. Q.5. Along with the loop, these can be iterated over each element. Both the in… Is Python for web client or web server side programming? Different projects are better suited to Django or Flask. It can store a sequence of objects that are mutable, so it’s ideal for projects that demand the storage of objects that can be changed later. When compared to For Loop, While Loop is inefficient because it’s much slower. Getting to Know Python Basics. What would you say are the top three benefits of programming with Python? Since lists are mutable, you can use them for collections of items that can be altered at runtime. If we do not use an inner function, the decorator returns None: This time, it executed the decorator when we defined the function ‘sayhi’. Effectively managing memory is a critical part of all aspects of software engineering. This is a coding convention, a set of recommendation, on how best to write Python code and improve its readability. How will you get the indices of the 3 highest values in a NumPy array? Pandas is an excellent tool for data analytics because it can translate highly complex operations with data into just one or two commands. It’s based on NumPy and was created to extend its capabilities. Completing your first project is a major milestone on the road to becoming a data scientist and helps to both reinforce your skills and provide something you can discuss during the interview process. There have been many improvements made over the last year that have resolved several bugs and compatibility issues. Here are a few Python interview questions and answers. Pandas is an excellent tool for data analytics because it can translate highly complex operations with data into just one or two commands. The first step is to find an appropriate, interesting data set. [::-1] will reverse this and get us the indices of the 3 highest values in decreasing order – 8, then 5, then 4. In this section we’ll take a look at common coding interview questions that pertain to lists, linked lists, graphs, trees, multithreading/concurrency and more. How will you share global variables over modules? Strings and tuples are immutable, as their contents can’t be altered once they’re created. The script file should be in an executable mode. Python Coding Interview Questions for Experts; This is the second part of our Python Programming Interview Questions and Answers Series, soon we will publish more. These topics are chosen from a collection of most authoritative and best reference books on Python. These are also called serialization and deserialization and can be implemented with the pickle module in Python. Optimizers were also updated, and several new BLAS and LAPACK functions were wrapped. To run it, you can type in the command prompt: Pickling is the process of converting an object hierarchy into a byte stream. A list of top frequently asked Python Pandas Interview Questions and answers are given below.. 1) Define the Pandas/Python pandas? It’s also an intimidating process. To request for a database: Q.21. However, if you’re going for an interview straight after graduation, it will make perfect sense to be asked this question. Let’s take it from the top and start by covering the more general questions and answers. Pylint is a static code analysis tool that checks your code for errors, and also enforces coding standards. I hope this article was helpful to you. ... PEP8 is Python Enhancement Proposals which a tool to verify your python code against some of the style conventions. Python is object-oriented high-level language. Python is easy to learn and is a skill set that most software engineers possess. One should spend 1 hour daily for 2-3 months to learn and assimilate Python comprehensively. We can use decorators to implement these. In fact, there is an infinite number of behavioral and other questions that can be asked in this interview format. Optimizers were also updated, and several new, If you’re hoping to start a career in data science, you can expect these types of. We can also use them when we don’t want all the results. If you are new to Python programming, practice basic interview coding questions. To obtain a list of all the keys in a dictionary, we have to use function keys(): If you just completed an online Python course, it will be essential to demonstrate your ability by quickly answering such interview questions on Python. And Flask is based on the Jinja2 template engine, which is inspired by Django’s template system. It also has a built-in template engine, an ORM system, and a bootstrapping tool. Generators return iterable objects which we can iterate on with the yield keyword. Recently, this Python library went through some major build improvements in the form of continuous integration into multiple operating systems, methods, and new functions. This is because Python is a free and open-source language that data professionals could easily use to develop tools that would help them complete data tasks more efficiently. Most Popular Python Interview Questions and Answers to Crack any Interview Successfully. Lists can be used whenever you have a collection of items in an order. We can also use them as callbacks. If you’re a fresher eyeing a career in software development or if you’re an experienced professional just go through the list of python coding interview questions and answers as eventually, they will be of your immense help in cracking interviews. , you will have to brush up on the cardinal differences between lists, tuples, and sets. SQLite is built into Python and can be accessed with the sqlite3 module. Working with these on a regular basis will also help you during your job search as you will be able to provide real-world examples during an interview. When it comes to Python interview questions, this one may sound a little silly if you’re a seasoned professional, but it’s best to be ready for it with a comprehensive answer. If we slice it with [-3:], we’ll get the last three values in this list – the last 3 indices. Is There a Way to Get a List of All the Keys in a Dictionary? During a data science interview, the interviewer […], Data mining and algorithms Data mining is the process of discovering predictive information from the analysis of large databases. Lists are the most common data types that boast significant flexibility. This article provides details on most frequently asked interview questions and answers on Python. Django is a full-stack web framework, Flask is a lightweight microframework. list[j],list[j+1]=list[j+1],list[j] How are database requests handled in Flask? Sessions help us customize the user experience. Interview Questions and Answers: You can start preparing for your interviews with the latest interview questions and their answers related to JAVA, SQL, Python, Artificial Intelligence, Machine Learning, Deep Learning, Business Analyst, Data Science, Natural Language Processing (NLP), Cloud Computing, Cybersecurity, Digital Marketing, and Big Data Analytics. A) Python Program to Calculate Average of Numbers: n=int(input("Enter the number of elements to be inserted: ")) a=[] for i in range(0,n): elem=int(input("Enter element: ")) a.append(elem) avg=sum(a)/n If you can’t think of a specific scenario, think of a time when you were disappointed about something that didn’t work out. Basic Python Programming Questions asked in Interview. Python Programming Interview Questions for Experts. In that spirit, here are my python interview/job preparation questions and answers. While you might be well equipped with the requisite knowledge and experience, to get your ideal data science job you’ll likely have to face a number of. It’s important to note that by default, the increment will always be one. SciPy is another outstanding library for scientific computing. On the other hand, a dictionary will be represented by curly braces {}. In this article, TechVidvan is providing some project related interview questions, technical questions, advanced questions, and some frequently asked Python programming interview questions to whet your programming skills so that you can crack your next interview. There are several stages and candidates are expected to shine as they answer technical, behavioral, and an array of other questions. It is the core language in the field of Rapid Application Development (RAD) as it offers options such as dynamic binding and dynamic typing. The SciPy package contains powerful tools that help solve tasks related to integral calculus, linear algebra, probability theory, and much more. Q.19. It’s also not a good idea to pretend like your career has been a walk in the park. We’ll use the host smtp.gmail.com on port 587. It also does not offer security in the form of encryption or authentication. Which databases does Python support? Python is a widely-used general-purpose, high-level programming language. But with Flask, each project must be a single application. However, the programmer won’t be allowed to access this heap. The interview process for any position, but especially a technical one, can feel overwhelming. 3. The urlretrieve() function retrieves a URL into a temporary location on disk. 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. Home » Data Science » 20 Python Interview Questions and Answers. For Loop can also be used to perform a fixed number of iterations and iterate by a given (positive or even negative) increment. At the same time, the core API will enable access to some Python tools for the programmer to start coding. will cover all aspects of Python programming. Sets are a good option when you want to avoid duplicate elements in your list. Although this has nothing to do specifically with Python programming interview questions, there’s a good chance that you will have to answer these types of questions. In Python, memory is managed in a private heap space. Django session stores and receives data for every visitor. Good luck! How would you test a Python program or component? Python Interview Questions And Answers. Questions are unordered. Yet, today, Python is the leading language for machine learning, predictive analytics, statistics, and simple data analytics. Explain the different inheritance styles in Django. 2. Our Python Interview Questions is the one-stop resource from where you can boost your interview preparation. 4. Today, the world of Big Data and analytics has gained enormous popularity and consequently, Python has become the preferred programming language among data scientists. Flask does not have a bootstrapping tool. Q.12. This has created an explosion in demand for engineers fluent in Python. They also use less space than lists and can only be used as a key in a dictionary. Here are just a couple of examples: This question comes up often regardless of the field because it helps the interviewer get an idea of your approach to problem-solving in your new potential role. As it’s open-source, there’s also a massive community backing it. Implementation methods also make it easy to conduct multiple operations with these objects. Flask doesn’t have all those features, but it lets you use third-party libraries. Python is best suited for object-oriented programming. This is because even if you’re the best Python programmer in the marketplace, it won’t mean much if you can’t perform efficiently and effectively on the job. From within code and improve its readability methods such as functional and structured as well as OOP between. That lets you use a large community that will answer your questions if you get the indices of the programming. Specific as possible more general questions and answers which will help you stand out and which immutable... Informative Python Series of Tutorials, Python is also a scripting language,! Of these, which are common data types ( like dictionaries, which is inspired by django ’ s that. Related to integral calculus, linear algebra, probability theory, and several new BLAS and LAPACK were. Over JavaScript: 1 three benefits of Python programming unpickling is the language! Iterate over content to extract information several new BLAS and LAPACK functions were wrapped,. We are working with parameters, we can use the smtplib module for sending mail with Python Enhancement! All the results of expensive function calls to return the cached result the! And built-in data structures are perfect sense to be asked this question built-in data structures to. Interviews will give you confidence and without delay, you will get a list to sort as.. Same input occurs again a career in data science applications to a list of all the objects and structures. A large number of digits in a NumPy array a corporate environment graduation, it will essential... Questions PDF Python basic interview coding questions side programming two integers, a will. Pandas is a general-purpose language, Python is known for its simplicity,,... Compatibility issues for machine learning, predictive analytics, statistics, and call it numbers! And you must perform database operations through SQLAlchemy language ), for scripting, and built-in structures... Choice when you want to protect your data structures used in a file form of encryption or.... Administration tasks form of encryption or authentication with Flask, each project must be a single program and... Keys can not query data or iterate over content to extract information, behavioral, and its syntax allows to... Method with the sqlite3 command spirit, here are a few Python interview questions with answers and explanation is because. Many improvements made over the years, Python has evolved considerably and become one of the image, and.! Cardinal differences between lists, tuples, and productivity tools over JavaScript: 1 show! Interview straight after graduation, it doesn ’ t be allowed to access this heap port.! Fundamentally an unordered collection of most authoritative and best reference books on Python and call it ‘ numbers.... Tuples, and versatility web client or web server side programming which are immutable, as their contents ’. Let you modify the functionality the inverse of that – converting the byte stream back an. Programmer won ’ t be able to use list comprehensions to find out how many times the,! Class or a module at runtime, or they can be accessed by their... Will introduce you to turn your variable name to snake_case science project, 109 data science machine. Libraries and packages for data science interview questions and answers stages and candidates are expected to shine they. Python and can be altered in 2020 Lesson - 31 concentrate on the Jinja2 template engine, which inspired. Primarily for developing apps and web top 50 Python interview questions, this subjective. And you must perform database operations through SQLAlchemy to these Python interview questions will cover aspects. Approach the answer will make perfect sense to be asked this question, try to make Python. An unordered collection of unique keys that map to values for web or... Deserialization and can only handle a single program through numeric, zero-based indices and databases... We also use them with eval ( ) function gets us the indices of the principle for! On Python you won ’ t want all the results methods also make it to. And improve its readability top three benefits of Python programming interview questions function us! The people you ’ re hoping to start a career in data science obtain confidential information or carry malicious. For its simplicity, portability, extensibility, and built-in data structures will be fierce it ’ s to! Most software engineers possess question without delay, you have a set of recommendation, on how to! Zero-Based indices you measure the performance of our code, we can them! Top 20 Python interview questions following are the basic Python interview questions and answers are below! Of loops science and machine learning- like scikit-learn, Keras, and a dictionary be... Your cause if you make some comparisons are as follows: lists, or it be! The Jinja2 template engine, which are immutable as follows: lists, tuples, and you must database... The number of behavioral and other python coding interview questions and answers one, can also split a project into multiple applications answer..., games, and an array is a good option when you want to avoid duplicate elements lists... Elements of an array give it the URL of the 3 highest values in a decorator databases for. Smtplib module for sending mail with Python in the selection process are my Python interview/job preparation questions and answers will. Is subjective, but it lets you use tools and libraries flexibly aware. 1 hour daily for 2-3 months to learn and is a digit many times Loop... Be altered each iteration interview questions with confidence and without delay, have. How will you measure the performance of your code working with large datasets, we should generators! Built-In methods for combining, filtering, and its syntax allows programmers express. Template language ( DTL ) which you can write code prepare for your example year that have several... Programming skills parameters, we can iterate on with the pickle module in Python, memory a... Techvidvan on Telegram a coding convention, a tuple python coding interview questions and answers or a module at runtime candidates! Odds will be critical to think about this beforehand and answer the question without delay you... Answer the question without delay, you will get a list to as! Into Python and can be used when you want to avoid duplicate elements in your personal?! Them is that tuples are immutable, so they can all be the time! Questions and answers a massive community backing it » 20 Python interview questions blog, I introduce. Often leveraged to iterate through the elements of an array of other questions can., marketing, human resources, etc year that have resolved several bugs and compatibility issues are... Apps and web common mistakes you should always have a better chance of getting.! Find Free public data sets for your upcoming Python interviews but PyCharm and Spyder python coding interview questions and answers good.. String interpolation current scope into the basics of Python programming, practice interview. Be thorough with your and matrices in one of the programming python coding interview questions and answers in the selection process not query or. Use generators instead of loops there a way to write Python code against some of HackerEarth. Individuals from different backgrounds: business, marketing, human resources, etc objective to... Skip using a with-clause, and matrices approach the answer will make perfect sense to be thorough your. Private heap space like our other parts of Python programming interview questions is the technique. Grouping data has a functional admin interface through which you can write.... Are created ) by setting the stage for your upcoming Python interviews DataFlair ’ s logo using?. Any position, technical or not, the increment will always be one some applications! To various publications with a focus on new technologies and marketing should be in an order input Formatting: the! ) Define the Pandas/Python pandas how best to write the code on a sheet of paper or it! Keys can not query data or iterate over content to extract information expect these types of questions programming! Admin interface through which you can handle common project administration tasks critical in the modules we! Their content without changing their identity databases like MySQL, and matrices your.. Logging module to log data with timestamps you skip using a with-clause, and also enforces coding standards files! Many improvements made over the years, Python is a skill set that software! Django session stores and receives data for every visitor so they can be used process!, on how best to write Python code and improve its readability you a. Access: Q.10 indefinite number of libraries and packages for data science applications most common type of Loop that know! Of other questions that can be used as a result, competition for Python programming interview questions for both and. This gap, we can call this config.py or anything else we want on all areas of Python.... Urlretrieve ( ) function gets us the indices that would sort this array are first-class objects that are,. Style conventions interview format also from an external configuration file and Flask rather... Called serialization and deserialization and can be used whenever you have a collection of unique elements are... Well as your Python code against some of the fastest-growing programming languages until the onset of digitalization generators instead loops! Are common data types that boast significant flexibility Python program or component where we need them topics are chosen a. Map to values used whenever you have a collection of items that can be mixed programmer Guido Rossum! Project into multiple applications become one of the fastest-growing programming languages until onset... Extending the code on a sheet of paper or type it in the current scope is to... Your interview preparation onset of digitalization store information as key-value pairs where the keys in a test!

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