040000 tree 6f975d8136a51a2b9f49115b3176c96c32e87e38	cpp
040000 tree 83c728e3e5362e7166e13e072910348dfd62dac7	java
040000 tree 29d421a80e48be283b6fe393a2319fdb7717dda2	python
040000 tree 0c4b72dd7398ce6345819d7d796f4025b4838acb	scala