Top 50 Python Interview Questions and Answers

Download or read book Top 50 Python Interview Questions and Answers written by Knowledge Powerhouse and published by . This book was released on 2017-01-30 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction: Python Interview Questions Python is a very popular language for Data Science and Machine learning projects. A lot of companies are looking for a software developers proficient in Python language. This book contains basic to expert level Python interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time. We have compiled this list after attending dozens of technical interviews in top-notch companies like- Google, Facebook, Netflix, Amazon etc. Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Python. How will this book help me? By reading this book, you do not have to spend time searching the Internet for Python interview questions. We have already compiled the list of the most popular and the latest Python Interview questions. Are there answers in this book? Yes, in this book each question is followed by an answer. So you can save time in interview preparation. What is the best way of reading this book? You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Software Engineer position in Python area. What is the level of questions in this book? This book contains questions that are good for a Associate Software engineer to a Senior Software engineer. The difficulty level of question varies in the book from Fresher to a Seasoned professional. What are the sample questions in this book? How will you improve the performance of a program in Python? What are the benefits of using Python? How will you specify source code encoding in a Python source file? What is the use of PEP 8 in Python? What is Pickling in Python? How does memory management work in Python? How will you perform Static Analysis on a Python Script? What is the difference between a Tuple and List in Python? What is a Python Decorator? How are arguments passed in a Python method? By value or by reference? What is the difference between List and Dictionary data types in Python? What are the different built-in data types available in Python? What is a Namespace in Python? How will you concatenate multiple strings together in Python? What is the difference between xrange and range in Python? What is lambda expression in Python? How will you copy an object in Python? What are the main benefits of using Python? What is a metaclass in Python? What is the use of frozenset in Python? What is Python Flask? What is None in Python? What is the use of zip() function in Python? What is the use of // operator in Python? What is a Module in Python? What is the difference between 'is' and '==' in Python? How will you share variables across modules in Python? How can we do Functional programming in Python? What is the improvement in enumerate() function of Python? How will you execute a Python script in Unix? What are the popular Python libraries used in Data analysis? What is the output of following code in Python? What is the output of following code in Python? http://www.knowledgepowerhouse.com