Answer:
The answer to this question can be given as :
Expression:
play_list[ k : j + 1]
Explanation:
In the question, it is given that variable k and j is a positive variable and play_list is a variable that is a list type variable that is initialized in the list which has at least the elements of j+1.
The expression for this is play_list[K:j+1]. Where play_list is used the k to ':' slicing in j+1.