040000 tree 2c9c0c16edf391aa2ab6242a3f093e32c918e2bb	cpp
040000 tree 676de0c2fc8a00b88830ae2320d17c054f07cf46	java
040000 tree 1ff8c2ddfdfd3c2ce3febee00c436d9299e2f35b	python
040000 tree 72b64cf3823e8cd80cd1e6fd83db2d395416299c	scala