Tech Mahindra Python Developer Interview Questions, Process, and Tips for Experienced

Postman is a popular API development tool used for testing, documenting, and sharing APIs.

• Postman allows developers to send HTTP requests and receive responses from APIs

• It provides a user-friendly interface for creating and managing API requests

• Postman also offers features like automated testing, mock servers, and collaboration tools

• It supports various authentication methods and formats like JSON and XML

Authentication is the process of verifying the identity of a user or system.

• Authentication ensures that only authorized users have access to a system or application.

• It involves the use of credentials such as usernames and passwords, or other methods like biometrics.

• Examples of authentication include logging into a website or accessing a secure network.

• Authentication is often followed by authorization, which determines

Data can be sent to the database using SQL queries or an ORM like Django's ORM.

• Use SQL queries to insert, update or delete data in the database.

• Use an ORM like Django's ORM to interact with the database using Python code.

• Ensure that the data being sent is properly formatted and validated to prevent errors or security issues.

A global variable is a variable that can be accessed from any part of the program.

• Global variables are declared outside of any function or class.

• They can be accessed and modified from any part of the program.

• Using global variables can make the code harder to read and debug.

• Example: x = 10 (declared outside of any function or class)