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from textual import on
from textual.app import App, ComposeResult
from textual.widgets import Header, Select
LINES = """I must not fear.
Fear is the mind-killer.
Fear is the little-death that brings total obliteration.
I will face my fear.
I will permit it to pass over me and through me.""".splitlines()
class SelectApp(App):
CSS_PATH = "select.tcss"
def compose(self) -> ComposeResult:
yield Header()
yield Select.from_values(LINES)
@on(Select.Changed)
def select_changed(self, event: Select.Changed) -> None:
self.title = str(event.value)
if __name__ == "__main__":
app = SelectApp()
app.run()
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