added example workflow

src/template_code_location/ops/ops.py

@@ -1,3 +1,4 @@
+import pandas as pd
 from dagster import op
 
 
@@ -11,3 +12,26 @@ def fetch_data() -> list:
 def process_data(data: list) -> dict:
     """Processes raw data and returns a summary."""
     return {"count": len(data), "status": "success"}
+
+
+@op
+def generate_example_dataset() -> pd.DataFrame:
+    """Generates a small example dataset as a pandas DataFrame."""
+    return pd.DataFrame(
+        [
+            {"order_id": 1001, "customer": "Alice", "quantity": 2, "unit_price": 9.50},
+            {"order_id": 1002, "customer": "Bob", "quantity": 1, "unit_price": 15.00},
+            {"order_id": 1003, "customer": "Charlie", "quantity": 4, "unit_price": 7.25},
+            {"order_id": 1004, "customer": "Dora", "quantity": 3, "unit_price": 11.00},
+        ]
+    )
+
+
+@op
+def transform_example_dataset(df: pd.DataFrame) -> pd.DataFrame:
+    """Applies a simple transformation to the example dataset."""
+    
+    df["price_band"] = df["total_price"].apply(
+        lambda value: "high" if value >= 25 else "standard"
+    )
+    return df