add another list-like object to self
(self, other)
| 119 | return other.__class__([*other, *self]) |
| 120 | |
| 121 | def __iadd__(self, other): |
| 122 | "add another list-like object to self" |
| 123 | self.extend(other) |
| 124 | return self |
| 125 | |
| 126 | def __mul__(self, n): |
| 127 | "multiply" |