cd C:\PatternRecognition
git clone https://github.com/unizard/quiz.git
git status
git add 20190924_Quiz.py
git commit -m "Quiz1"
git push
git add 20190930_Quiz_solution.py
git commit -m "Quiz2"
git push
git branch solution
git checkout solution
// 20190924_Quiz_solution.py 만들고 수정
git add .
git status
git commit -m "Quiz1-solution"
git push origin solution
git checkout master
git merge solution
git push
git branch –d solution
git push origin --delete solution