input: from typing import List
  
  def sql_to_pandas(query: str, conn) -> pd.DataFrame:
      """ Convert a given SQL statement into a Python Pandas DataFrame.
      Use the provided connection object to execute the SQL query.
      >>> sql_to_pandas("SELECT * FROM book;", conn)
      -- DataFrame with all columns from book table --
      """
output:     return pd.read_sql(query, conn)