| import pandas as pd | |
| def load_csv(file_path): | |
| try: | |
| df = pd.read_csv(file_path) | |
| return df, None | |
| except Exception as e: | |
| return None, str(e) | |
| def preview_dataframe(df, num_rows=5): | |
| return df.head(num_rows) | |
| def get_column_names(df): | |
| return list(df.columns) | |