(self)
| 22 | self._insert_between(element, self._trailer._previous, self._trailer) |
| 23 | |
| 24 | def delete_first(self): |
| 25 | if self.is_empty(): |
| 26 | raise Empty("Deque is empty") |
| 27 | return self._delete_node(self._header._next) |
| 28 | |
| 29 | def delete_last(self): |
| 30 | if self.is_empty(): |
nothing calls this directly
no test coverage detected