widgets docs

docs/examples/guide/widgets/hello03.py

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+from itertools import cycle
+
+from textual.app import App, ComposeResult
+from textual.widgets import Static
+
+
+hellos = cycle(
+    [
+        "Hola",
+        "Bonjour",
+        "Guten tag",
+        "Salve",
+        "Nǐn hǎo",
+        "Olá",
+        "Asalaam alaikum",
+        "Konnichiwa",
+        "Anyoung haseyo",
+        "Zdravstvuyte",
+        "Hello",
+    ]
+)
+
+
+class Hello(Static):
+    """Display a greeting."""
+
+    def on_mount(self) -> None:
+        self.next_word()
+
+    def on_click(self) -> None:
+        self.next_word()
+
+    def next_word(self) -> None:
+        """Get a new hello and update the content area."""
+        hello = next(hellos)
+        self.update(f"{hello}, [b]World[/b]!")
+
+
+class CustomApp(App):
+    CSS_PATH = "hello03.css"
+
+    def compose(self) -> ComposeResult:
+        yield Hello()
+
+
+if __name__ == "__main__":
+    app = CustomApp()
+    app.run()