Cognizant Programming Analyst Trainee interview questions

Write the code to check if the given string is a palindrome or not

first question was to introduce myself and some basic stream related theoretical question & basic aptitude question Second question was related to programming language that was python for me which included basic theoretical question related to DSA (list, tuple, dict, set, linked list) not at the level of trees/graph, dynamic programming and OOPS along with 1 basic coding question the interview went on for almost 30 min.