Initial commit
Update README.md
Update README.md
Merge pull request #2 from YanYuXieYang/readme-edits

Readme edits
ver 2
ver 3
ver 1
ver 2
ver 3
ver 1
ver 2
Merge branch 'master' of https://github.com/YanYuXieYang/Hello-world
Merge branch 'master' of https://github.com/YanYuXieYang/test
add Rhythm