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from textual.app import App, ComposeResult
from textual.reactive import reactive
from textual.widgets import Input, Label
class MultiGreet(App):
names: reactive[list[str]] = reactive(list, recompose=True) # (1)!
def compose(self) -> ComposeResult:
yield Input(placeholder="Give me a name")
for name in self.names:
yield Label(f"Hello, {name}")
def on_input_submitted(self, event: Input.Changed) -> None:
self.names.append(event.value)
self.mutate_reactive(MultiGreet.names) # (2)!
if __name__ == "__main__":
app = MultiGreet()
app.run()
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