Cognizant Programmer Analyst Trainee interview questions

The interview was easy and lasted around 30 minutes, with questionThe interview was easy and lasted around 30 minutes. The interviewer mainly asked questions related to aptitude, data structures and algorithms, object-oriented programming concepts, and basic problem-solving skills to assess overall technical understanding. s mainly focused on aptitude, data structures and algorithms, object-oriented programming concepts, and basic problem-solving skills.

so at first he asked me the introduction later he focused more on my projects and asked me to explain the working procedure.and later he asked some technical questions on python like diff between list tuple and sets, ai principles and explain them,difference between clustering and classfication,what is ai,difference ai and ml,later he asked to write few codings questions like 1.count a of a specific letter in a string 2.remove duplicates from list and 2 more easy-medium level coding questions later managerial rounds was taken.