input: 
  from typing import List
  
  def select_approved_rows(table_name: str, cursor) -> List[tuple]:
      """ Select all rows from a given table where the 'status' is 'approved'
      >>> select_approved_rows('orders_table', cur) # assuming cur is a database cursor
      [('order123', 'productA', 'approved'), ('order456', 'productB', 'approved')]
      """
      sql = f"SELECT * FROM {table_name} WHERE status = 'approved'"
      cursor.execute(sql)
      return cursor.fetchall()
  
output:     sql = f"SELECT * FROM {table_name} WHERE status = 'approved'"
      cursor.execute(sql)
      return cursor.fetchall()