(self, data)
| 122 | self.data = data |
| 123 | |
| 124 | def append(self, data): |
| 125 | node = _Node(data) |
| 126 | |
| 127 | curr_next = self.next |
| 128 | |
| 129 | node.next = self.next |
| 130 | node.prev = self |
| 131 | self.next = node |
| 132 | |
| 133 | if curr_next is not None: |
| 134 | curr_next.prev = node |
| 135 | |
| 136 | return node |
| 137 | |
| 138 | def prepend(self, data): |
| 139 | node = _Node(data) |
no test coverage detected