{"push_id":945401971,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"2ac4889f3f40a108dc59b9cc7e1385bf8facc6e3","before":"d5e1f94f4897da2b5595cbeb2e981ae7c41ce4c0","commits":[{"sha":"2ac4889f3f40a108dc59b9cc7e1385bf8facc6e3","author":{"email":"4edb2605e3e0160d61e6aaca800d8302ab28126f@gmail.com","name":"Paul Ruvolo"},"message":"added a single exercise for chapter 7","distinct":true,"url":"https://api.github.com/repos/paulruvolo/DataScience16/commits/2ac4889f3f40a108dc59b9cc7e1385bf8facc6e3"}]}