input: from typing import List
  
  def convert_sql_to_dataframe(sql_statement: str, conn) -> pd.DataFrame:
      """ Convert a given SQL statement into a Python Pandas DataFrame.
      >>> convert_sql_to_dataframe("SELECT * FROM book;", conn)
      pd.DataFrame({'id': [1, 2], 'title': ['Book1', 'Book2'], 'author': ['Author1', 'Author2']})
      >>> convert_sql_to_dataframe("SELECT title, author FROM book;", conn)
      pd.DataFrame({'title': ['Book1', 'Book2'], 'author': ['Author1', 'Author2']})
      """
      import pandas as pd
      return pd.read_sql_query(sql_statement, conn)
output:     import pandas as pd
      return pd.read_sql_query(sql_statement, conn)