text: import os
  
  def move_file(old_filename, new_filename):
      old_file = open(old_filename, "rb")
      new_file = open(new_filename, "wb+")
  
      new_file.write(old_file.read())
  
      old_file.close()
      os.remove(old_filename)
      new_file.close()
      return True
  