mthree Software Developer / Production Management interview questions

1. First of all they ask to solve an easy problem with my favorite programming language 2. Explain lambda for python. 3. Difference between stack and queue After that, they ask if am I comfortable with competitive programming. I tell them I am comfortable with basic problem-solving along with data structure, and I did many projects. They are not interested in projects and tell me he will send feedback. I didn't get any response after that.