They asked me to design a function to keep track of the number of people in a company based on the key swipes on the door. They also asked me if I have any questions for them. It was too simple of a question to demonstrate my skills. Also they asked me my background

Expect technical deep dives, coding challenges, and problem-solving scenarios. Questions will probe your knowledge of data structures, algorithms, and software design, assessing your ability to build robust systems. yes yus yes