newfaceu213025【演習１】
GitHubのnewfaceu213025 競合を解消

Conflicts:
	self_introduction.txt
Merge https://github.com/newface2013/git-learning
newfaceu213025 【演習１】
Merge https://github.com/newface2013/git-learning
Merge https://github.com/newface2013/git-learning