1. Decision Tree Problem 
 Explain what a decision tree is and how it is used in machine learning.
2. Live Coding Test for MLE Position 
 The interview includes a 60-minute live coding session, testing coding and machine learning skills. Can you provide more details about the types of problems encountered in this session, such as whether writing a Decision Tree from scratch is expected, and if there are any new types of questions that candidates should prepare for?