print out columns at the end

    if col in df_complete.columns:

        missing_2week = df_complete[col].isnull().sum()

        missing_2week_pct = (missing_2week / len(df_complete)) * 100

        print(f"Remaining NaN in {col}: {missing_2week:,} ({missing_2week_pct:.1f}%) - OK to keep")

        print(f"Remaining NaN in {col}: {missing_2week:,} ({missing_2week_pct:.1f}%)")

# --- 7. ANALYSIS ON FILTERED DATASET ---

print("\n" + "="*60)

tag_counts = Counter([tag for tags in df_complete['tags'] for tag in tags.keys()])

print("\n--- Top tags (Filtered Dataset) ---")

print(pd.Series(tag_counts).sort_values(ascending=False).head(10))

print("which columns we have:")

print(df.columns)