At Different Program Points At Different Program Points Which assignment statements produced value of variable at this point? Which variables contain values that are no longer used after this program point? What is the range of possible values of variable at this program point? 11At Different Program Points • At Different Program Points ➢ Which assignment statements produced value of variable at this point? ➢ Which variables contain values that are no longer used after this program point? ➢ What is the range of possible values of variable at this program point? ➢ …… 11