add abc.txt to branch hw2
there is a file qq.txt in the file hw2
first commit for hw2 file
compiled html file
add hw2 of html format
deleted the Rmd format file
sorted the file hw2
left only ony document in the file hw2
hw2, the mini assignment, finished
posted the html format hw2
deleted unnecessary file
something changed I gues
add the txt file, will delete later