{"push_id":1088274927,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"c4b18a09092c65a4efa1dab3f7b73a651a60d925","before":"fd8faf966513e728da4945e3908abc8de8f6c7c7","commits":[{"sha":"c4b18a09092c65a4efa1dab3f7b73a651a60d925","author":{"email":"4c9fc69b6e7ec7d5c6b6eb6590f689c51b10b1f7@163.com","name":"s0239"},"message":"lec18 condition","distinct":true,"url":"https://api.github.com/repos/jamesthu/exercise/commits/c4b18a09092c65a4efa1dab3f7b73a651a60d925"}]}