example: multi-armed bandit samplers.

package/samplers/multi_armed_bandit/example.py

@@ -0,0 +1,20 @@
+import optuna
+import optunahub
+
+
+if __name__ == "__main__":
+    module = optunahub.load_module(
+        package="samplers/multi_armed_bandit",
+    )
+    sampler = module.MultiArmedBanditSampler()
+
+    def objective(trial: optuna.Trial) -> float:
+        x = trial.suggest_categorical("arm_1", [1, 2, 3])
+        y = trial.suggest_categorical("arm_2", [1, 2])
+
+        return x + y
+
+    study = optuna.create_study(sampler=sampler)
+    study.optimize(objective, n_trials=20)
+
+    print(study.best_trial.value, study.best_trial.params)