week 1 start
pla 1st shot
fix pla
finnish week1 hw
add start of hw2
 normal hoeffding inequality
 finish hoeffding inequality linear and concurrent
add answers
refactor of week1 into pla pkg
start linear regression
 add concurrency to week1
add linear regression algorithm and asw to q5, 6, 7
done til question 10
finnish hw2 in go
first 3 q on hw3
hw4 q1 2 3
re factor generalization error code
hw4 q 4 5 6
refactor bias and variance code for q7
 finnish with hw4