Assuming that 1 -is a four-element list is there any difference between these two statements?

Assuming that 1 -is a four-element list is there any difference between these two statements?

A. yes, there is, the first line empties the list, the second line deletes the list as a whole B. yes, there is, the first line deletes the list as a whole, the second line just empties the list C. no, there is no difference D. yes, there is, the first line deletes the list as a whole, the second line removes all the elements except the first one