import pandas as pd

class FraudDetection:
    def predict_batch(self, file):
        df = pd.read_csv(file)
        results = []
        for _, row in df.iterrows():
            fraud_prob = 0.1  # Replace with your model's prediction
            explanation = "No fraud detected."  # Replace with your model's explanation
            results.append({"Transaction Amount": row["Amount"], "Fraud Probability": fraud_prob, "Explanation": explanation})
        return pd.DataFrame(results)