### P1 ### # replace this comment with your solution ### P2 ### # replace this comment with your solution ### P3 ### # replace this comment with your solution ### P4 ### # replace this comment with one of the alternative solutions (pick one yourself) ## question a # replace this comment with your answer to question (a) # NOTE: use multiple lines instead of one long line ## question b # replace this comment with your answer to question (b) # NOTE: use multiple lines instead of one long line ### w1 ### # replace this comment with your solution ### w2 ### # replace this comment with your solution ### w3 ### # replace this comment with your solution ### w4 ### # replace this comment with your solution