Preparing for a Python interview? Here are the most frequently asked Python Interview Questions for freshers and experienced in Python. If you are a fresher and not yet confident about Python Job Interview, this article will help you to boost your interview preparation and helps you prepare the better way for upcoming interviews.

1. What is Python?

Python was developed by Guido van Rossum, and first released on February 20, 1991. It is a high-level programming language with dynamic semantics, general purpose, interpreted, object-oriented, modules, threads, exceptions, and automatic memory management.

2. What is PEP 8?

Python Enhancement Proposal 8 or PEP 8 is a document that provides guidelines and best practices to write Python code. It describes developer can write beautiful code.

3. What is self in Python?

Self is a keyword that accesses the attributes and methods of the class in python. It is a first parameter of methods that represents the instance of the class.

4. What is __init__?

The __init__ is one of the reserved methods that constructors are used to initialize the object’s state.

5. What is break, continue and pass in Python?

Break: It is a keyword that terminates the current loop.

Continue: The Continue is a keyword that used to instruct a loop to continue to the next iteration.

Pass: The pass keyword is a null statement. When the interpreter defines a syntactically empty block, we can define pass keyword, nothing happens when the pass statement is executed.

6. How is memory managed in Python?

Memory management is a resource management applied to computer memory that provides dynamic memory allocation, which is managed by the Heap data structure.

7. How do you copy an object in Python?

To create copies of an object in Python, there are two ways of creating copies for the given object using the copy module.

Shallow Copy is a bit-wise copy of an object, which creates a new object which stores the reference of the original elements.

Deep copy creates a new object and copies all values recursively from source to target object, duplicates the objects referenced by the source object.

8. What is docstring in Python?

A Python docstrings is the source code that used to document a specific segment of code and convenient way of associating documentation with Python modules, functions, classes, and methods.

9. What are Dict and List comprehensions?

Dictionary comprehension is a method of creating a dictionary for transforming one dictionary into another dictionary. List comprehension is a method for creating a list from a string or another list, and creates a new list by performing an operation on each item in the existing list.

10. What is .py and .pyc files?

The .py file contains the source code of a program and compiles the .py files. The .pyc compiled encoded python bytecode of python source code.

11. What does *args and **kwargs mean?

The *args function is used to pass a variable number of arguments to function. The **kwargs function used to pass a keyworded, variable-length argument list and name kwargs with the double star.

12. What is Pickling and Unpickling in python?

Pickling is the process in which python object hierarchy is converted into a byte stream. Unpickling is the process in which a byte stream is converted back into a python object hierarchy.

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