Mostly asked question in interview on SQL with Answers.

 Frequently asked python interview question and answers 

1.What is Python?

Python is a high-level, interpreted programming language that is widely used for general-purpose programming. It was first released in 1991 and has since become one of the most popular programming languages in the world.

2.What are the benefits of using Python?

Python is known for its simplicity, readability, and ease of use. It has a large community of developers and a vast library of modules and packages that make it easy to accomplish complex tasks. It is also highly portable and can be used on a wide range of platforms.

3.What are the different data types in Python?

Python supports a variety of data types, including integers, floating-point numbers, complex numbers, strings, lists, tuples, sets, and dictionaries.

4.What is the difference between a list and a tuple in Python?

A list is a mutable data type, which means that it can be modified after it is created. A tuple, on the other hand, is an immutable data type, which means that it cannot be modified after it is created.

5.What are the different control statements in Python?

Python supports various control statements, including if-else statements, for loops, while loops, break and continue statements.

6.What is a function in Python?

A function in Python is a block of code that performs a specific task. It is a modular approach to programming and helps in code reuse, readability, and maintenance.

7.What is a module in Python?

A module in Python is a file that contains code that can be imported into other Python programs. It allows us to reuse code and simplify code maintenance.

8.What is a class in Python?

A class in Python is a user-defined data type that encapsulates data and functions. It allows us to create complex data types that can be easily accessed and manipulated.

9.What is inheritance in Python?

Inheritance in Python is a mechanism where one class acquires the properties and methods of another class. It allows us to create new classes based on existing classes.

10.What is Polymorphism in Python?

Polymorphism in Python is the ability of an object to take on multiple forms. It allows us to perform a single action in different ways.

11.What is a generator in Python?

A generator in Python is a function that returns an iterator. It allows us to iterate over a sequence of values without creating the entire sequence in memory.

12.What is the difference between a local and global variable in Python?

A local variable is declared inside a function and has a local scope. It is accessible only within the function. A global variable is declared outside any function and has a global scope. It is accessible from any function in the program.

13.What is a decorator in Python?

A decorator in Python is a function that takes another function as input and returns a modified version of the function. It allows us to add additional functionality to an existing function without modifying its code.

14.What is a lambda function in Python?

A lambda function in Python is an anonymous function that can be defined in a single line of code. It is used for simple tasks and is often passed as an argument to other functions.

15.What is pip in Python?

Pip in Python is a package manager that is used to install and manage Python packages. It allows us to easily install and manage third-party libraries and modules.