Git is a version control system.
Git is free software.

echo "# python_autotest" >> README.md
git init
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/rainydaygit/python_autotest.git
git push -u origin master

git remote add origin https://github.com/rainydaygit/python_autotest.git
git push -u origin master