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)
         id  title  author  year
      0   1  Book1  Auth1  2001
      1   2  Book2  Auth2  2002
      """
      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)