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import random
from statistics import mean
from textual.app import App, ComposeResult
from textual.widgets import Sparkline
random.seed(73)
data = [random.expovariate(1 / 3) for _ in range(1000)]
class SparklineSummaryFunctionApp(App[None]):
CSS_PATH = "sparkline.tcss"
def compose(self) -> ComposeResult:
yield Sparkline(data, summary_function=max) # (1)!
yield Sparkline(data, summary_function=mean) # (2)!
yield Sparkline(data, summary_function=min) # (3)!
app = SparklineSummaryFunctionApp()
if __name__ == "__main__":
app.run()
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