Enhance convert.py to save DataFrame as CSV; add load_test.py for testing Parquet file

data/load_test.py

@@ -0,0 +1,6 @@
+import pandas as pd
+
+file = "./train.parquet"
+
+df = pd.read_parquet(file)
+print(df.head())

prepare/convert.py

@@ -53,9 +53,9 @@ def main():
     df.reset_index(drop=True, inplace=True)
     print(f"Total unique lines: {len(df)}")
     # Save to CSV
-    # csv_path = "train.csv"
-    # df.to_csv(csv_path, index=False)
-    # print(f"CSV file created: {csv_path}")
+    csv_path = "train.csv"
+    df.to_csv(csv_path, index=False)
+    print(f"CSV file created: {csv_path}")
     
     # Save to Parquet
     parquet_path = "train.parquet"