How = None get the next value of l1?

  • 0

    I am very confused about this part. In the problem, is set to None, but when I equal l1 to and print it, it gives me the next value of l1. Could anyone tell me how does this happen? In my view, when l1 =, it should equal to None.

Log in to reply

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.