Python for Data Science is a comprehensive ... Operations.ipynb # Reading/Writing files with Python/pandas │ └── 6_Data_Preprocessing.ipynb # Data cleaning and preprocessing ├── cheat_sheets/ │ ├── ...

pd.read_csv('file.csv'): Reads data from a CSV file into a DataFrame. pd.read_excel('file.xlsx'): Reads data from an Excel file. df.to_csv('output.csv', index=False): Writes DataFrame to a CSV file.

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