input: def sql_to_pandas(sql_query: str, conn) -> pd.DataFrame:
      """ Convert a given SQL statement into a Python Pandas DataFrame.
      >>> sql_to_pandas("SELECT * FROM book;", conn)
         [DataFrame containing all columns from the 'book' table]
      """
      import pandas as pd
      return pd.read_sql_query(sql_query, conn)
output:     import pandas as pd
      return pd.read_sql_query(sql_query, conn)