Create app.py

app.py

@@ -0,0 +1,15 @@
+from datasets import load_dataset
+
+# 1) Dataset yükle
+ds = load_dataset("AlicanKiraz0/Cybersecurity-Dataset-Fenrir-v2.0", split="train")
+
+# 2) Prompt-response formatına dönüştür
+def format_example(example):
+    system = example.get("system", "")
+    user = example.get("user", "")
+    assistant = example.get("assistant", "")
+    text = f"<|system|>\n{system}\n<|user|>\n{user}\n<|assistant|>\n{assistant}"
+    return {"text": text}
+
+ds = ds.map(format_example, remove_columns=ds.column_names)
+print(ds[0])