Append subelements from a sequence. *elements* is a sequence with zero or more elements.
(self, elements)
| 231 | self._children.append(subelement) |
| 232 | |
| 233 | def extend(self, elements): |
| 234 | """Append subelements from a sequence. |
| 235 | |
| 236 | *elements* is a sequence with zero or more elements. |
| 237 | |
| 238 | """ |
| 239 | for element in elements: |
| 240 | self._assert_is_element(element) |
| 241 | self._children.append(element) |
| 242 | |
| 243 | def insert(self, index, subelement): |
| 244 | """Insert *subelement* at position *index*.""" |