040000 tree 6f975d8136a51a2b9f49115b3176c96c32e87e38	cpp
040000 tree 8d80c6e848874db0afe1ddaec49937876e3bec22	java
040000 tree 29d421a80e48be283b6fe393a2319fdb7717dda2	python
040000 tree ddc45cfde57c628f40d381ee49193fa00361d6c5	scala