関連ワード:  delete a node in singly linked list    delete a node in singly linked list gfg practice    delete a node in singly linked list leetcode    delete a node in singly linked list java    delete a node in singly linked list gfg    delete a node in singly linked list c++    delete node in singly linked list python    algorithm to delete a node in singly linked list    delete a node at end in singly linked list    delete last node in singly linked list