The code is from CMU 10601(Introduction to Machine Learning)'s homework, and I have attached the homework description with code related.
The description starts from page 14.
It contains 2 python file one is inspection.py and one is decision_tree.py.
python inspection.py small_train.tsv small_inspect.txtpython decision_tree.py education_train.tsv education_test.tsv 3 \ edu_3_train.txt edu_3_test.txt edu_3_metrics.txt python decision_tree.py heart_train.tsv heart_test.tsv 2 \ heart_2_train.txt heart_2_test.txt heart_2_metrics.txt