{"shas":[["df34bb8a3b79bf38c589c959458dccaa84781e1d","41d92c92aafa4074dde1a6e2c76352a4216ef2ca@mit.edu","Some exercises","Oliver"]],"ref":"refs/heads/master","size":1,"head":"df34bb8a3b79bf38c589c959458dccaa84781e1d","push_id":39432441}