(self, new_data)
| 9 | self.head = None |
| 10 | |
| 11 | def insert_at_beginning(self, new_data): |
| 12 | new_node = Node(new_data) |
| 13 | if self.head is None: |
| 14 | self.head = new_node |
| 15 | return |
| 16 | new_node.next = self.head |
| 17 | self.head = new_node |
| 18 | |
| 19 | def add_two_no(self, first, second): |
| 20 | prev = None |
no test coverage detected