completed exercise 02
completed exercise 01
started exercise 03
added virtualenv
changed to floating, completed exercise 3
complete exercise 4
complete exercise 5
complete exercise 5 including drills
complete exercise 6
Complete exercise 7
Complete exercise 8
Complete exercise 9
Complete exercise 10
Complete exercise 11
Complete execise 12
Complete exercise 13
Experiment with sys.argv
make more changes
start exercise 14
complete exercise 14 including drills