add material for day 6
add hw5
add code for day7
add hw 6
add code for day 8
add code for day 9
add hw 7
add lab code for day 10
add txt file to read from
add lab 9 data
update lab 9 script
Merge remote-tracking branch 'upstream/master'

Conflicts:
	day9/inlab9.py
Homework  6 Revised