{"push_id":658375420,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"f2611520cded02f1baef083a6099ada4b5dff560","before":"d249e9969dda0ec5d5a92caa7282cc16684cf066","commits":[{"sha":"f2611520cded02f1baef083a6099ada4b5dff560","author":{"email":"320cb2ff8e2e195f7d4e5cd3b27b690e919d61e5@gmail.com","name":"Huangxin"},"message":"Update ansChap7.md","distinct":true,"url":"https://api.github.com/repos/hxwang/MathNotes/commits/f2611520cded02f1baef083a6099ada4b5dff560"}]}